Military Engineer Services Tender

(ii) Plate Load Test

Carrying out the following laboratory tests on the soil samples as per IS codes on each Bore hole. a)(i) Sieve analysis and Hydrometer tests of identification and classification of soil bases on properties and grain size. (ii) Specific gravity of the soil. (iii) Studies of settlement characteristics of soil based on consolidation tests and liquid and plastic limit. (iv) Stratification of soil for entire depth of bore log including ground water table location and other properties. Evaluation of shear parameters of undisturbed soil samples by adopting direct shear test. (v) Nature moisture content (NMC), void ratio and porosity, Tri- axial and direct shear test and confined compression test of undisturbed samples and bulk,submerged and dry density of the soil. b)Compilation of SSI Report as per IS (viz. Filed and laboratory test results, Preparation of reports, Recommendation for different type of foundations, water table) with clear unambiguous recommendations for types of foundation for all structures with bearing capacity/pile capacities. The recommendations will be duly vetted by the vetting agency as per Notes.

Submission of all report booklets 05 (Five) copies with CD 01 (One) copy duly indicating the following:- (i) Evaluation of safe bearing capacity of the soil with respect to shear failure test and permissible settlement (Total and differential) alongwith recommendation about type of foundation and minimum depth of foundation to be adopted. (ii) Evaluation of liquefaction potential. (iii) Evaluation of K-value. (iv) Specific suggestion if any soil treatment if required below foundation/ ground floor/ roads and type of treatment to be carried out.

Item No.4 Contd/.. Notes:- 1. Following points to be included in SSI report (not comprehensive, appropriate dada/information may be added as per requirement:- (a) Introduction (b) Objection of the geotechnical investigations (c) Details of the proposed structures (d) Site conditions (e) Field investigations (f) Laboratory test results (g) Soil profile (h) Allowable bearing capacity- based on ‘N’ values, ‘c-Ø value and permissible settlement with sample calculations. Complete calculations will be submitted in soft copy in the same CD containing the SSI report. (j) Liquefaction analysis with calculations. (k) Foundation alternatives duly tabulated building wise. (l) Clear recommendations duly vetted by IIT/NIT/ Govt Engg College. A table showing building name, BH No, depth & coordinate of the BH corrected SPT ‘N’ values and the recommended SBC and clear recommendation for depth and type including any required soil improvement matching with the site plan should form part of the recommendations. (m) Annexure including bore logs, c-Ø and indicated for BHs, likelihood of water- logging at site must also be checked. 2. If the soil/water has high (more than permissible) contents of sulphate, chlorides or any other deleterious material, the same should be brought out and appropriate recommendation be offered. The required chemical analysis needs to be undertaken for the same. 3. All relevant IS code on the subject should be followed and mentioned at appropriate places.

Design & construction of sedimentation tank of 7.0 x 3.7 x 3.5 m height with additional 0.3 m free board with one parallel to width baffle wall so that clear water to be collected from top of the tank, the construction shall be in RCC M30 construction complete with reinforcement, form work, plaster, outlet flange and drain flange for sediments etc. complete in all respect as directed complete all as specified and directed

Design, supply, installation, testing and commissioning of multiple tray cascade aerator for oxidising of Iron for flow of 45m3/hr. The cascade shall have minimum four trays made out of Mild steel plates of minimum thickness 6.00mm & min tray dia shall be 0.90m, 1.20m, 1.40m & 1.60m respectively duly coated with food grade epoxy coating. The minimum distance of outlet pipe from top tray shall be 0.40m. The bottom tray shall be minimum 0.40m above from top surface of collection chamber. The collection chamber (RCC M30) should have minimum 01 minute retention time before entry into flush mixture. The water pipe in the center of the aeration unit shall be of minimum 200mm bore MS heavy grade externally painted with food grade epoxy paint. The complete cascade aerator should be fitted with connected fittings and fixtures to make the complete assembly fully functional as per directed Engr-in-Charge. Note: (i) All welding joints should be tested duly supported with necessary NDT certification from authentic agency. (ii) Min 5 years guarantee on complete assembly including food grade epoxy coated painted to be submitted by the tenderer. Note for Sr. Item No.5 & 6: (i) The design shall confirm to latest IS:1893, IS 4326, IS:13920, IS 800 SP 34 and other relevant codes. (ii) The structure falls in Zone V. (iii) Structural analysis & design shall be done on latest version of STAAD. (iv) Structural design shall be got vetted from IIT/NIT/ Govt Engineer collage. (v) Contractor shall discussed the concept design with SO-I (Desig)/Director (Design) of HQ CESZ before finalising the Str design. (vi) The RCC Sump shall be M-30 as per design consideration. (vii) The fdn shall be design as per the SBC of the soil at the loc of construction. (viii) The Coctractor shall provide the STAAD file/ AUTOCAD drg in soft copy, design folder and drgs duly vetted by ITT/NIT/ Govt Engineer Collage shall be submitted alongwith above said soft copy. (ix) The contractor sahll ececute the work as per the said Str drg only after approval of same from Accepting auth of the contract.

Surface dressing not exceeding 15 cm deep and getting out in soft/loose soil complete all as specified

Bringing approved earth (as approved by Garrison Engineer) from sources outside defence land including all cost such as royalty if any, transportation, taxes, etc. for area filling / area development upto MGL level including raising of original ground level upto MGL by approved earth and including spreading in layers not exc 30cm thick each layer, watering, compaction with 8 tonne to 12 tonne power roller and finished to required size and shape etc. Notes: (i) Earth required for the item, shall be supplied by contractor, from out side MOD land of any lead, at his own own arrangement. (ii) All cost of procurement of earth including cost of transportation, compaction, royalties, tax etc shall be deemed to be included in the unit rate quoted by the contractor. (iii) With reference to clause 3.6 of MES part-II on serial page No-21 it is clarified that measurement of the above item shall be of finished embankment /traverse of filled earth after consolidation /compaction and 5% deduction shall be made from measured and calculated volume to allow for increase in bulk. (iv) Total quantity /partial quantity of earth may not be available in Jorhat Area. The contractor has to bring the earth from out side area and it is advised to quote the rate considering availability of soil and its lead involved.

Removing excavated material (soil) for a distance exceeding 1.5 Km and not exceeding 5 Km and depositing where directed complete all as specified and as directed.

Mobilisation of accessories/tools/plants/equipment as per IS 2800: 2019 for construction of borewell of 550 mm dia bore hole using Rotary Drilling Method ( Reverse Circulation Method) with all minor accessories at site complete all as specified and directed. Note: The quoted rate shall be inclusive of shifting the accessories/tools/plants /equipment from one site to other for subsequent boring.

Drilling pilot bore hole of 250 mm dia by Reverse Rotary Drilling Method as described in IS 2800: 2019 in any kind of soil strata including hard stone/ boulder upto 60 metre depth below ground level, including compound/ powder like valmite, bentonite solution, local silty clay etc. to be required as per the site condition including collecting samples from different strata, preparing and submitting strata chart/ bore log complete all as specified and directed. Note- Litholog and Electro logging should be done after the trail bore. The selection of strainer pipe slot size shall be selected after proper study of Litholog and Electro assembly.

Drilling pilot bore hole of 250 mm dia by Reverse Rotary Drilling Method as described in IS 2800: 2019 in any kind of soil strata including hard stone/boulder upto 120 metre depth and beyond 60 m depth below ground level, including compound/ powder like valmite, bentonite solution, local silty clay etc. to be required as per the site condition including collecting samples from different strata, preparing and submitting strata chart/ bore log all complete all as specified and directed.

Drilling pilot bore hole of 250 mm dia by Reverse Rotary Drilling Method as described in IS 2800: 2019 in any kind of soil strata including hard stone/boulder upto 160 metre depth and beyond 120 m depth below ground level, including compound/ powder like valmite, bentonite solution, local silty clay etc. to be required as per the site condition including collecting samples from different strata, preparing and submitting strata chart/ bore log all complete all as specified and directed.

Resistivity variation studies in bore hole drilled by electric logging of pilot bores by expert of Geology division to know the potential and temperature probes of drinking water by approved agency duly collaborated with strata chart/bore log complete all as specified and as directed.

Boring reaming 250 mm dia pilot bore to 550 mm dia bore upto 60 metre depth below ground level complete all as specified and as directed.

Boring reaming 250 mm dia pilot bore to 550 mm dia bore upto 120 metre depth and beyond 60 m depth below ground level complete all as specified and as directed.

Boring reaming 250 mm dia pilot bore to 550 mm dia bore upto 160 metre depth and beyond 120 m depth below ground level complete all as specified and as directed.

Supplying, assembling, jointing and lowering PVC casing pipe (CM) for water wells, plain ended, 250 mm nominal bore of pipe, min 12.5 mm wall thickness, UNPLASTICIZED type, PVC pipe conforming to IS 12818 : 2010 and fixing in position in different depth as directed, with male and female threads allowing to be fitted with other pipe in well complete all as specified and as directed.

Supplying, assembling, jointing and lowering PVC casing pipe (CM) for water wells, plain ended, 150 mm nominal bore of pipe, min 7.5 mm wall thickness, UNPLASTICIZED type, PVC pipe conforming to IS 12818 : 2010 and fixing in position in different depth as directed, with male and female threads allowing to be fitted with other pipe in well complete all as specified and as directed.

Supplying, assembling, jointing and lowering PVC ribbed Filter screen pipe for water wells, 150 mm nominal bore of pipe, min 9.5 mm wall thickness, UNPLASTICIZED type, PVC pipe conforming to IS 12818 : 2010 and fixing in position in different depth as directed, with male and female threads allowing to be fitted with other pipe in well complete all as specified and as directed.

Supply & Fix reducer, 150 mm X 250 mm size, made of PVC material complete all as specified and as directed.

Supply & installing sample box for displaying samples of strata made out of teak wood plants 25mm thick board, duly french polished out side, size of sample box 1000mm x 1000mm, required nos of samples bins 100mm x 100mm x 100mm sizes, provided with front openable glazed shutter, 25mm thick duly fitted with 2 Nos 75mm aluminium hinges and 75mm aluminium anodised hasp and staples for locking arrangement complete all as specified and directed.

Development of tube well in accordance with IS 2800: 2019 and IS:11189 with compressed air method (open well method), to establish maximum rate of usable water yield without sand content (beyond permissible limit), with required capacity air compressor, running the compressor for required time till well is fully developed, measuring yield of well by “V” notch method or any other approved method, measuring static level & draw down etc. by step draw down method, collecting water samples & getting tested in approved laboratory, including disinfection of tube well, all complete, including hire & labour charges of air compressor, tools & accessories etc., all as per requirement complete all as specified and as directed.

Determining approximate yield capacity using the compressor of the drilling rig and carrying out yield test as per IS 2800: 2019 using test pump and determining the yield capacity of bore well, the rate of pumping without lowering the water level below the top boundary of the aquifer, the top of the perforations, the recommended rate of pumping complete all as specified and as directed.

Supply, lowering & jointing minimum 80mm dia UPVC Column pipe Safe allowable hydrostatic pressure 26kg/sq. cm heavy blue screen wire lock-each 3 m length incl housing clamp for 80 mm dia bore pipe made out of flat MS 100x10 mm thick (length 60mm) with 4 Nos 20mm dia of suitable size of bolt, nuts, washers etc including drilling holes of suitable sizes and painting 2 coats of synthetic enamel paints over a coat of red oxide primer complete all as specified and directed.

Supply and fixing accessories for UPVC casing pipes such as UPVC socket, UPVC end cap, UPVC well cap, centre guide complete all as specified and directed. (Note : The specifications of there items should comply with the requirements for the scope of work and shall be to the complete satisfaction of the Engineer-in-Charge)

Supplying, designing, packing gravel (hard, insoluble and roughly rounded) of particle size ranges (2 mm to 3.35 mm, 3.35 mm to 4.75 mm, 4.75 mm to 6.3 mm, 6.3 mm to 8 mm, 8 mm to 12.5 mm) to the tube well in accordance with IS: 4097 as per the site requirement complete all as specified and as directed.

Carrying out testing of water sample of untreated water for all parameters mentioned in Table 1 to Table 6 of IS 10500: 2012 from NEIST Jorhat/ DRL Tezpur or any approved Lab as approved by the GE complete all as specified and as directed.

Disinfection of bore well as per IS 2800: 2019 using 200 milligrams of powdered chlorine compound per litre of water present in the well and left in the well for at least 8-12 hours to ensure elimination of any bacteria complete all as specified and as directed.

Supply and fixing mild steel chain made of 6 mm dia rod of size 20 mm X 38 mm for holding submersible pump set/column pipe including pipe including necessary holding mild steel clamp nuts, bolts etc. complete all as directed.

Material & Labour flanged reflux valves (ISI Marked) of single door, swing check type (non return valves) of nominal pressure (PN 1.6) as per IS 5312 (Part 1): 2004, nominal size 80 mm including nuts, bolts, packing sheets etc. complete all as specified and as directed.

Material & Labour for NON rising stem type CI sluice valves (ISI Marked) having double flanged Stainless Steel spindle for connections of nominal pressure (PN 1.6) as per IS 14846: 2000 (Reaffirmed 2010) of preferred materials, nominal size 80 mm including nuts, bolts, packing sheets, a pair of rubber gasket ISI mark. complete all as specified and as directed.

Supply and laying or fixing Galvanised steel tubing 80 mm bore, medium grade laid in trenches including all fittings complete all as specified and as directed.

Supply and installation submersible pump, elect driven 415 V TP suitable for 200/250 mm dia bore well supplied and installed complete 12.5 HP (Flow Rate: 45 m3/Hr (min), Head: 90 meter( min)) inclusive of 100 mtr long submersible cable PVC insulated and sheathed flat submersible cable with stranded copper conductor of size 3 core 6 Sqmm 1100 Volts grade including lugs and fixed in submsersible pump & starter etc complete all as specified & directed.

Supplying, laying & testing LT XLPE insulated armoured heavy duty electric cable 1100 volt grade ISI marked with alumimium conductor multistranded cross sectional area 25 Sqmm x 4.0 Core complete all as specified and as directed

Material and labour for construction of brick masonry valve pit of size 600 X 600 X 600 mm (internal dimension) one brick thick wall in CM 1:4 on 100mm thick PCC 1:4:8 type D-2 (40mm graded aggregate) as in foundation, and 15mm thick rendering in cement mortar (1:4) internally, externally up to 15cm below GL, providing valve pit cover made of 3mm thick MS sheet/plate, welded including provision of hinges, handle and locking arrangement including 50 X 50 X 6mm angle iron frame fixed on top of valve pit by means of hold fast 150mm long, embedded in PCC block 1:2:4 type B-1 (20mm graded aggregate) of size as shown in drawing, including two coats of anti-corrosive paint over a coat of red oxide zinc Chrome primer and necessary earth work in soft/loose soil complete all as specified & directed and as per TD no. TD/EM/6 sheet No 1/2 & 2/2.

Material & Labour for earthing with galvanised steel earth plate electrode of size 60cmx60cmx6mm thick buried directly in ground (earth pit not less than 2.25m deep below the ground level) with top edge of the plate not less than 1.5m below normal ground level, connected to the galvanised earth lead by means of bolts, nuts check nuts and washers of galvanised iron or steel using GI strip 25x4 mm as earthing lead as shown in electrical plate No. 5 of SSR Part-I connected to earthing test point all as specified or indicated including testing on completion including necessary excavation and earth work in soft/loose soil, returning filling, disposal of surplus soil, earth pit in PCC 1:3:6 type C-1 using 20mm graded stone aggregate pit, funnel, 20mm dia GI medium grade watering pipe, 32 mm dia GI medium grade earth lead protection pipe, CI frame and cover, wire, copper lugs etc mesh, chorcoal and common salt in alternatee layer complete all as specified and directed. NOTES 1. The unit rate includes for protection pipe and GI strip from top of earth plate upto 7.50 meter above groung level.

Supply & Fix Tubes, light grade galvanised with all fittings 40 mm bore for laying of cable under trenches, road fixed to wall/pole with suitable size of MS flat clamps fixed with nut & bolts for cable protection all as specified and directed .

Supply, installation, commissioning and testing of LT feeder piller box of size 900x1200x300 mm, outdoor cubical type, floor mounted, vermin proof factory made of CRCA Sheet 3.15 mm thick and MS angle of size 40x40x5mm having suitable legs, double door both side openable with locking and key arrangement with two Nos pad lock 50 mm, powder coated with three phase, 415 volts, 50 Hz, AC supply all as directed and comprising of the following:-

Sr. Item no.39 Contd/... (a) INCOMING (i) MCCB, 3 Pole, 415 Volts, 63 Amps, breaking capacity 25 KA having thermal setting 100% and magnetic setting upto 70% - 01 No (b) OUTGOING (i) Fully automatic submersible star delta pump starter with auto unit, 3 phase 415 volts, relay range (10-16) with short circuit protection including contactors complete- 01 No (ii) Single phase preventer - 01 No (iii) Digital multifunction meter of size 96x96 mm to measure current, voltage, frequency and power factor with built in selector switch and programmable CT ratio with RS 485 port (c) INDICATING DEVICES (i) LED indicating lamp with holder for main supply indicating RYB (set of three) - 01 Set (ii) Indication lamp for starter power ON/OFF - 01 Nos (iii) On load Change over switch 3 phase, 415 Volts, 50 Hz of capacity 100 Amps ( for Phase sequence corrector)- 01 No.

Cutting of existing GI/Cast Iron pipe for insertion of new Tee of upto 150 mm bore including jointing materials complete all as specified and directed. (NOTE : Cost of new Tee is deemed to be inclusivbe in the quoted rates).

Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5 m in depth for laying of cable/erection of pole and getting out in soft/loose all complete as specified and as directed.

Returning, filling in, including spreading, leveling, watering and well ramming in layers not exceeding 25 cm in soft/loose soil complete all as specified and as directed.

Removal of excavated soil to a distance not exceeding 50 m and depositing where directed at a level not exceeding 1.5 mtr above the starting point complete all as directed.

Supply & laying Sand coarse dry as in cushioning of underground electric cable in trenches, laid to a uniform thickness of 23cm (15cm under the cable & 8cm over the cable ) and gently punned down to 18cm thickness all complete as specified and as directed. Note :- Only punned down sand shall be measured.

Material & Labour for plain cement concrete 1:2:4 type B-1 using 20mm graded stone aggregate for coping around poles, including necessary form work finishing even and smooth without using extra cement , all as specified and directed.

Material & Labour for Bricks, common burnt clay building bricks, sub-class ‘B’ designation 75 locally available laid dry width wise across the line of cable in trenches for protection of UG cable complete all as specified and directed.

Design, supply, erection and commissioning of Static Mixer cum flocculation tank made with minimum 8 mm thick MS plate painted in out side using epoxy painted and inside with lead free paint suitble for drinking purpose only supported with adequate Flat/ channel/ angle support complete with the following details & specifications : (i) No. of SMFT unit : 01 No (ii) MOC of Chamber : Minimum 8 mm thick MS plate with Epoxy paint both side, supported with adequate Flat/Channel/angle support, The total DFT of the epoxy painted surface shall be 200 microns (iii) Volume of flush Chamber : 08 m3 (MIN) (iv) Volume for Flocculation Chamber: 32.0 m3 (MIN) (v) Total Volume for Chamber : 40.0 m3 (MIN) (vii) Type of Mixer for Flash Zone : Rapid type Anchor Mixer (viii) MOC of Mixer for flash zone : Minimum 6 mm thick MS with Epoxy paint, The total DFT of the epoxy painted surface shall be 200 microns. (ix) Qty of mixer for Flasher Zone : 01 No (x) Power rating of STFC electric motor with gear box Assy : 0.75 KW (min) ( xi) Qty of Electric motor for Flasher Zone : 01 No (xii) Type of Mixer for Flocculation Zone : Slow Speed Paddle Mixer (xiii) Qty of mixer for Flocculation Zone : 01 No (xiv) Materials of Construction of Shaft & Blade: SS 304 (xv) Power rating of STFC electric motor with gear box Assy for Flocculation Zone : 2.2 KW (min) ( xvi) Qty of Elect motor 2.2 KW of Flocculation zone:01 No (xvii) Housing of Electric Motor & Gear box made with: C.I. (xvii) Motor Frame : MSEP (xi) shaft material grade : SS 304 Note : Contractor shall provide 1 no additional Flash mixer and floculator assembly including Electric motor as spare.

Supply, Installation, Testing and Commissioning of horizontal end suction centrifugal closed coupled pumps in CI body, with Strainer in SS 316 with matching connection to pipes of any size including vibration eliminating rubber bellows, Bronze Impeller, Motor shaft in Stainless steel AISI 316 with Carbon Ceramic Mechanical seal, Motor speed -1450 RPM, Asynchronous, 04 Poles, Continuous Operation F class insulation, protection IP-55, Operating voltage – 415 V/ 3 phase, 50HZ . for (1 W + 1 S/By = 02 Nos) for using water feed pump .(i) 15 HP (11.20 WHP) Efficiency class- IE-3 Flow Rate: 45 m3/Hr (min) Head: 45 meter( min) Pump shall be mounted on a concrete Foundation Projecting at least 15 cm above finished floor level complete all as specified and directed.

Supply, Installation, Testing and Commissioning of Vertical, down flow type Multi Grade Sand Filter- Vessel Dia -2200 mm ,Vessel height -1875 mm, Filtration Flow Rate- 45.0 m³/Hr ,Dish end Thickness -10mm, Shell Thickness -8mm, Made of MS internal epoxy painted with collector arms and distributers made MS heavy pipe, frontal piping shall be of minimum dia 150 mm with 150 mm control valves for filtration, backwash & rinse process. working pressure 5 Kg/cm2, design pressure - 7.5 kg/cm2 , Test Pressure 9.0 Kg/cm2 confirm to IS-2062. Filter Media Details and other requirements shall be as under : [i] Quart Z Pebbles of 25 mm to 18 mm not less than 100 mm thick in layer [ii] Quart Z Pebbles of 18 mm to 12.5 mm not less than 100 mm thick in layer [iii] Quart Z Pebbles of 12.5 mm to 3.0 mm not less than 100 mm thick in layer [iv] Quart Z Pebbles of 6.25 mm to 6.25 mm not less than 100 mm thick in layer [v] Filtering sand 16/32 not less than 300 mm thick layer (vi) Zeosorb / Zeolite media Specification : High purity natural Aluminosilicate microcrystalline mineral (NSF standard 61) Filtration (nominal) 3 micron, Porosity 24 - 32 %, Particle Size 1.5-2.5 mm, Surface Area 270 m2/gram, Mesh size 18 x 35 and 8 x 14, Color Pale green/ grey ,Water Retention Holds 50% of its weight., Surface Absorption Hydrophilic not less than 500 mm thick in layers. [vii] Back wash arrangement shall be made to facilitate the back washing system [ix] Air vent system with 25 mm pipe with gun metal valve [x] Pressure relief valve ,nut and bolt and gasket for filter [xi] Suitable size of main hole and hand hole. (xii) flow isolation valve type : Butterfly (xiii) Collector system : Header and lateral type

Design, supply, Installation, testing and commissioning of Automatic variable chemical dosing system to maintain water quality (PH-7.0 to 7.4, Residual Cl -0.5 PPM, TSS 0.5 NTU) as per details given below : SL NO (A) Automatic Variable Chlorination dozing shall be consisting of (a) Preparation tank (500 liters), Agitator for preparation tank, gearbox for agitator (15 RPM), motor for agitator including connected item, level gauges and level sensors ( SS 316- 02 No’s), digital flow meter and solenoid valve (Acrylic CF-8), (b) transfer pump (PP) of required capacity (c) Dosing tank (500 ltr), level sensors (low level), level gauge (01 No) Solenoid valve (F8), Dosing pump (1W+1 SB) of required capacity (MOC PTF3) incl motor and PRV for dosing pump, (d) Drain pump of reqd capacity (PP)- 1 No (e) Residual Sensor (0-2 PPM) -01 NO and Flow cell (FC-1) of MOC-Acrylic (f) Rota meter (1/2 inch, MOC-Acrylic), Sampling (needle) valve (1/2 inch; MOC-SS 304) Flow switch (1 inch, MOC – Brass) (g) Control panel comprising of PLC, HMI, VFD Drive-02 Nos, DOL starter (03 No’s), Panel box and other connected accessories, wire (1.5 sqmm/3 core) (h) Piping system consisting of pressure relief valve (1/2”, MOC-PP) 02 Nos, Pressure gauge (0-10 Bar), MOC SS 316), Damper (1/2 inch, MOC- PP) Non return valve (1/2 inch, MOC - PP) Strainer (1/2 inch, MOC-PP) Pipe (1/2 inch, MOC UPVC) Ball valve (1/2 inch, UPVC) SL NO (B). Automatic Variable alum dozing system complete with membrane type dosing pump of required capacity, suitable capacity PVC tank and other accessories incl Agitator/Gear box/motor etc required as in above for mixing, alum dosing pump and all parts in contact with the liquid shall be polypropylene, viton, Teflon and PVC. The pump O/P shall have to be automatically regulated through VFD based starter as per Input received through TSS sensor to ensure TSS 0.5 NTU. The Alum dozing system shall be complete with optimal piping, necessary foot valves with pre filter along with all required connected accessories as per details provided in Automatic chlorine dosing system described in Ser No A above to make system fully functional to operate Alum dosing system in Automatic mode. (C) Automatic variable Coagulant dosing system based on feedback of TSS analyser. The scheme instrumentation & Control system for Alkalinity dozing system shall be similar to Ser No A and B above. (D) Automatic variable Alkalinity Dosing System to maintain PH between the range of 7.0 - 7.4 (100PPM or 10% chlorides and sulfates combined, whichever is less) based on feedback of PH/Alkalinity sensor. The scheme instrumentation & Control system for Alkalinity dozing system shall be Ser No A & B above. NOTE :- 1. Quoted rates shall be inclusive of any additional items required to execute the chlorination / cogulant dosing / Alkalinity dozing scheme to maintain requisite drinking water quality parameter in the treated water tank . 2. Standby inspection facility not to be provided in Alum dosing system & Cogulant dosing system

Taking down old resin, under-bed materials, pebbles crush graes etc from Iron Removal vessel tank & ACF tank complete all as specified and directed.

Supply, installation, testing and commissioning of Iron Removal filter media Iron Specific Resin having following specifications (i) Appearance : Dark black, moist spherical beads (ii) Bulk Density : 600-760 kgs/M³, approximately (iii) Partical Size : 0.3 to 1.2 mm, 1.2 mm : 5.0 % maximum 0.3 mm : 1.0% maximum (iv) Effective size : 0.45 to 0.55 mm (v) Uniformity of co-efficient : 2.8 maximun (vi) Moisture holding capacity : 48-58 % (vii) Mesh size : 12 X 52

Supply, installation, testing and commissioning of Iron Removal filter media Under-bed materials like pebbles Crush Gravel, Coarse Silex & Fine Silex complete all as specified and directed.

Supply, Installation, Testing and commissioning of Activated Carbon Filter Media Coconut Cell Carbon 4x8 Mesh, 900 iodine value, Density 550KG/M3 complete all as specified and directed.

Supply, Installation, Testing and commissioning of Activated Carbon Filter Media Under-bed matrials like pebbles Crush Gravel, Coarse Silex & Fine Silex complete all as specified and directed. Note :- Item no 52 to 55 the above quoted rates shall be inclusive of existing IRP/ACF vessels including removal of old paint, repair of damaged portion and cleaning of chamber and applying two coats of synthetic enamel paint over a coat of zinc chrome primer complete .

Supply, installing, testing and commissioning factory made, floor mounted indoor type LT panel board, cubicle type, suitable for 415 Volts, 3 Phase, 4 wire, 50 Hz, AC supply system, and tested at CPRI, having 200 Amps capacity Aluminium bus bar for phase and 200 Amps Aluminium bus bar capacity for neutral , colour coded for each phase and neutral, insulated on epoxy type insulators. The bottom of the outer shell contains a detachable plate having provn for entry of cable of adequate size with glands, The panel shall be dust and vermin proof, IP-65 class protection and made 2.00 mm thick CRCA MS sheet, powder coated finish over one coat of red oxide primer on outside surface and painted inside with two coats of red oxide primer, both side opening type, provision of connecting earth strip from 2 sides, including internal wiring with PVC insulated solid copper conductor cable, IS-694 marked, 1100 volts grade of appropriate size (but not less than 2.5 sqmm) including grouting of panel 45 cm above ground level by providing 90 cm long angle iron frame of size 40x40x6 mm, welded on all the four corners, embedded in PCC 1:2:4 using 20 mm stone aggregate upto 30 cm above ground level complete all as specified and directed including the following accessories:-

(a) MCCB 4 pole 415 Volts 16 KA 63 Amps with extendable terminal -01 Nos (In coming) (b) MCCB 4 Pole 415 Volts 16 KA 32 Amps-02(Two) (c) MCB SPN 230 Volts 16 Amps - 04(Four) (d) Provn of fully automatic star delta starter with 40 amps TP power contactors ,NO/NC Aux contact , O/L relay & SD timer etc for max 15 HP pump set - 02 Nos. (e) Digital multifunction meter of size 96x96 mm to measure current, voltage, frequency and power factor with built in selector switch and programmable CT ratio with RS 485 port (f) Start/Stop push buttons - 02 Nos each (g) Phase indication -RYB & Motor ON/ OFF/Trip indicating lamps LED type - 02 Nos. (h) Control fuse with link- -02 Nos (j) Pump protection relay type S2-02 Nos (k) CMR1 including connected CTs / current sensors of with following protections :- phase failure, unbalance, negative phase sequence, overloading and dry running (under current). Relay shall have following additional features:- Auto/Manual Reset, adjustable current trip settings, selectable overload characteristics - 02Nos. (l) On load Change over switch 3 phase, 415 Volts, 50 Hz of capacity 100 Amps ( for Phase sequence corrector)- 01 No. (m) Single phasing preventer- 03 No (n) One no. danger notice plate (o) Dol starter 01 HP-02 No

Supply, laying and testing PVC insulated, PVC sheathed cable glvanized steel strip or wire armoured, electric control cables (Heavy duty) with stranded copper conductor of size 6.0 Sq mm, 3 core, 1100 Volts grade, including HDPE pipe for protection of cable under floor complete all as specified and as direccted.

Supply, Installation Testing & Commissioning of Indoor type PLC (Programmable Logic Controller) /RTU (Remote terminal Unit) based Automation, Protection Panel for Borewell monitoring & Control, Pumps & Valve operation, energy monitoring, backwash alarm generation, monitoring of water quality of treated water, with feature of wireless Dual SIM Card based communication, suitable for control and monitoring of up to 2 Nos. Centrifugal Pumps,3 Nos. Energy Meters, 1 Nos. Motorized Butterfly Valves, 01 Nos Ultrasonic level sensor, 3 Nos. pressure transmitters, 01 Nos. electromagnetic Flow Meters. The panel should be of minimum size 1200 X 950 X 300 mm front opening type, fabricated from 2.00 mm thick CRCA Sheet & mounting channel 40x40x5mm made out of Angle iron with proper ferrule & cable gland, internal wiring with PVC insulated multistranded copper conductor FRLS cable of adequate size. The Panel should have the following functionalities complete all as specified and directed:- (a) Protection Panel for Borewell monitoring & Control. (b) Automatic Pump On/Off, Automatic Priming and Air Release (if reqd) (c) Automatic Operation of Motor Actuated Butterfly Valves & level control of OH tank (d) Automatic Toggling of Pumps (e) Auto Change Over in Case of Pump Failure (e1) remote monitoring &operation of flash mixer & chemical dozing system (e2) Pressure Gauges /Transmitters shall be installed in all piping systems to measure drop across pressure type filter systems & to operate alarm for backwash. (f) Single Phasing Prevention, phase sequence corrector (g) Online UPS with battery system of adequate capacity. (h) Manual Mode Operation (all connected sub systems at filtration plant) from the RTU/ PLC based Control Panel.

Sr. Item No.58 Contd/… (j) Additionally the panel should have following specifications:- (i). Discrete Input Logic: - Sink/Source, Discrete Output Logic: - Positive Logic(Source). (ii). Should have suitable No. of Discrete Input conforming to IEC 61131-2 Type - 1 & Discrete Output: - Relay/Transistor (iii). Protocol supported : isolated serial link: Modbus master/slave and DNP 3.0 (iv). Standard supported :- ANSI/ISA 12-12-01, CSA C22.2 No 142, CSA C22.2 No 213, EN/IEC 61131-2:2007 (v) Web Services: - Integrated Web Server (vi) Should have 02 Nos. isolated RS 485 communication port, 1 Nos. Ethernet communication port with 10BASE-T/ 100BASE-TX. Should be able to latch with minimum number of Slave: - 64 Modbus TCP, & adequate DNP3.0 master/ slaves. (vii) RTU/ PLC shall be based on ARM based Controller with at least 600GHz clock frequency and 512MB RAM (viii) PLC/RTU shall be certified by NABL for electromagnetic compactability and radio distrubance standards as per CISPR22, IEC 61000-4-2:2008, IEC61000-4-3:2010, capable of sending data to multiple route and on precise location. (ix) Contractor shall consider in quoted rates for any changes in logic within 5 years of installation as per requirement of department. (x) There shall be 01 No. HMI - 10" Graphical Touch screen display with following specifications : (xi) 01 No. RS 485 and 01 No. USB port & Ethernet port (xii) Serial multilink, USB downloading port & Ethernet port (xiii) Support external data storage on a USB memory stick for storing production data and backing up applications. (ixx) 01 No. SMPS of 6.5 A or above rating (to be decided as per panel design by the contractor) as suitable according to panel design. (xx) Suitable No. of interposing relays of 220VAC or 24VDC coil rating and 4A contact rating. (xxi) Suitable No. of relay cards with operating voltage 24VDC, with continuous current of 5A. Card must be of 8 channel & having 8 relays.

Supply & Fix electromagnetic type flow meter suitable for 150-200 mm bore pipe, flow range : 0 to 200 cu .mtr/hr, liquid clean /semi clean water, wire length min 10 mtr, with IP-67 protection, 1.4 KV isolation, accuracy of less than ± 0.3% of MV, linearity of 0.5 % of MV, mounting in horizontal position, water pressure: Nominal pressure upto 200 KPa, should account for the water hammer depending on the valve closure time, current output:4 to 20 mA, local indicating through LCD display and RS 485 Modbus RTU communication protocol, capable of working in ambient temperature of 0 degree Centigrade to 75 degree Centigrade and Humidity upto 95% with response time of less than 1 Sec, working on 90-250V AC,50Hz, Body and flanged material SS 304 or higher grade steel electrode material standard hastelloy, including necessary welding work, cutting of existing MS/DI/CI/GI piupe line and inserting new XX mm bore MS pipe with necessary MS bends and straight pipe upto 06 mtr and connecting with existing pipe line with necessary flanged , nut, bolts, gasket and DI/CI specials complete all as specified and directed.) the flow meter must have inretface with computer / laptop & should be able to monitor & control from computer, quoted rate shaa also include necessary Hardware/software). Note : The cost of wires/ cables any size/ type and length required at site as per OEM, s requirements including all accessories required for proper functioning of the plant deemed to be included with this item.

Supply, Installation, Testing & Commissioning of multifunction meters with RS485 for mounting on 1 no. pump house panel (replacing analog ampere meters) using existing current transformers The meter shall be of acc CI 1.0 and shall be able to record V, A, KW, KWH, PF, F. In addition, All meters shall also be able to record the (current and voltage) with all wiring cabling, cutting of cabinets complete all as specified and directed.

Supply & Fix Ultrasonic type water level sensor for 01 for Over head tank, with dead band of less than 0.6 meter, IP 66 protection, accuracy of 0.25% of /f.S and RS485 Modbus RTU communication protocol, capable for working in ambient temperature of 0 degrees to 75 degrees centrigrade, non-condensing at 25 degree centrigrade and humidity up to 95% with response time of less than 1 sec with 230 V AC to 24 V DC, 50 HZ power supply LCD display type, vertical type mounting on water tank with all connections and fixing including clamp, nuts, bolts complete of size all as required on site. The spcified level sensor shall be equipped with QR codes designed for geo-tagging purposes. These QR codes shall integrate with an asset management system, allowing for efficient tracking and management of the level sensor. By scanning the QR code, users should be able to access derailed information about the asset's location, usage history, maintenance schedules and performance data . This system shall enhance the visibility and control over the assets, ensuring they are effectively monitored and maintined. Geo-tagging via QR codes should provide a streamlined solution for asset tracking, improving operational efficiency and reducing the risk of asset loss or mismangement.

Supply & Fix of SCADA ready actuated electri butterfly valve for 100 NB size water supply systems, with open area installation line pressure maximum-7 Bars , Ends-wafer, Duty -on/off,230 V AC/24 V DC, IP 67, enclusore, insulation class F, complete with travel switch and torque switch of size 100 NB (may reduce as per site) The specified butterfly valve shall be equipped with QR codes designed for geo-tagging purposes. These QR codes shall integrate with an asset management system, allowing for efficient tracking and management of the level sensor. By scanning the QR code, userrs should be able to access derailed information about the asset's location, usage history, maintenance schedules, and performance data. This system shall enhance the visibility and control over the assets, ensuring the are effectively monitored and maintined. Geo-tagging via QR codes should provide a streamlined solution for asset tracking, improving operational efficiency and reducing the risk of asset loss or mismangement.

Supply, Installation, Testing and Commissioning of pressure transmiters in the water supply lines. The Pressure Transmiter needs to be with proper wiring including necessary with following specification all as specified and directed.:- Pressure Range: 0 bar to 16 bar Enclosure : Weather proof IP 65 Ambient temperature : -40 TO 70 Deg C Accuracy : 0.5 % Must have RS485 Modbus enabled communication

Supply, installation, testing and commisioning of online turbidity analyser indicator to measure turbidity of 0-500 NTU & PH to measure Alkalinity . TSS should have proper compensation for temperature variations. The analyser shall be connected through RS232/RS485 to main SCADA system. The analyser shall be suitable for installation in open space in shaded area and sample be taken off from treated water tank. Must have protection level of IP65 for controller and IP67 for flow type sensor. The analyser electronics should also have Watchdog function. Specifications:- Operating temperature: 0-60 Deg C Power Supply : 220 V AC, or 24 V DC Output : RS485 Modbus type Retransmission Output: 4 to 20 mA isolated The specified turbidity indicator shall be quipped with QR codes with QR codes designed for geo-tagging purposes. These QR codes shall integrate with an asset management system, allowing for efficient tracking and management of the level sensor. By scanning the QR code, userrs should be able to access derailed information about the asset's location, usage history, maintenance schedules, and performance data. This system shall enhance the visibility and control over the assets, ensuring the are effectively monitored and maintined. Geo-tagging via QR codes should provide a streamlined solution for asset tracking, improving operational efficiency and reducing the risk of asset loss or mismangement. Note : Quoted rate shall deemed to be inclusive of TSS sensor & PH sensor

Supply, Installation, Testing and Commissioning of monitoring software's for water Supply Installation monitoring and control. Solution Must have user Customizable dashboards and SLD(without any coding/scripting) Reporting must be user- configurable and changeable, Utility like billing reports must be supported. Multi-site data viewing within same interface from all sites to single server System must be accessible over internet and must have adequate security with dual factor authentication with username/password along with OTP on email. All device communication with the third party systems with must be secured using TLS/SSL encryption. System must work without any need of static IP. No static Ip will be provided for any location. All screen development must show at least the basic monitoring, automation and controlling functionality for borewell control, electrical parameters recording and display, flow and total consumption display and recording, and ground water level recording. (Note : Quoted rate shall deemed to be inclusive of lifetime liceaning monitoring of software.)

Supplying and fixing 2 core 1.5 Sq mm multistand copper cable PVC insulated, laid up together PVC inner sheathed, GI wire braided, flexible armouring, overall PVC sheathed, steel braided cable as required complete all as specifed and directed. Note: Rates include power cables to be laid as specified with GI/PVC pipe protection wherever deemed necessary)

Supplying & Fixing on wall/laying in ground 10 Core 1.5 Sq mm PVC insulated and PVC Copper armored cable with heavy duty PVC saddles 60 cm apart complete all as specified and directed.

Supply installation and commissioning of RS485 Communication cable, two pairs stranded copper,(7*32) tinned copper conductors, polyethylene insulation, twister pairs, aluminium/polyster 100% coverage, Tinned copper braid shield 90% coverage, 24 AWG strained tinned copper drain wire, armoured, PVC jacket with the following specifications: (i) Outer jacket : Polyvinyl Chloride, 0.34 in (ii) Conductor DCR : 24 Ω/100 ft (iii) Nominal outer shleid DCR : 2.2 Ω/100 ft (iv) Nominal capacitance conductor to conductor : 12.8mF/ft (v) Nominal capacitance conductor to other conductor to shield 23 mF/ft (vi) Nominal capacitance conductor to conductor : 12.8mF/ft (vii) Frequency : 1 Mhz (viii) Nominal insertion loss : 0.6 DB/100m

Supply and lay Socket / Flange type ductile Iron Pipe Class K-9 of 100 mm dia bore including with all jointing materials all as specified and as directed.

Supply & laying steel water tubing medium grade including all fittings complete laid in trenches / floor of 100 mm dia for fittings in pump motor set all as specified and directed.

Supply & laying steel water tubing medium grade including all fittings complete laid in trenches of 50 mm dia all as specified and directed.

Supply & Fix Gun Metal Foot valve 100 mm for UG sump and Jack well system including removal of existing valve all as specified and directed.

Supply & Fix 100 mm dia butterfly valve made of iron including all accessories after taking down old unserviceable valve complete all as specified and directed.

Labour only for cutting of GI / DI pipe 150 / 100 mm dia carefully in position for repairs or inserting fittings such as bend, tee, socket pieces, collar etc; complete all as specified and as directed.

Supply & Fix 100mm bore sluice valve (operation-cap) both side flanged, ISI marked (IS No 14846-2000 class PN-1.6) having cast iron body, cast iron hand wheel, non rising type with SS spindle, check nuts and sliding gate type body including testing against any leakage including in repair accessories after taking down old unserviceable valve complete all as specified and as directed.

Supply & Fix 80mm bore sluice valve (operation-cap) both side flanged, ISI marked (IS No 14846-2000 class PN-1.6) having cast iron body, cast iron hand wheel, non rising type with SS spindle, check nuts and sliding gate type body including testing against any leakage including in repair accessories after taking down old unserviceable valve complete all as specified and as directed.

Material and labour for construction of brick masonry valve pit of size 900 X 900 X 900 mm (internal dimension) one brick thick wall in CM 1:4 on 100mm thick PCC 1:4:8 type D-2 (40mm graded aggregate) as in foundation, and 15mm thick rendering in cement mortar (1:4) internally, externally up to 15cm below GL, providing valve pit cover made of 3mm thick MS sheet/plate, welded including provision of hinges, handle and locking arrangement including 50 X 50 X 6mm angle iron frame fixed on top of valve pit by means of hold fast 150mm long, embedded in PCC block 1:2:4 type B-1 (20mm graded aggregate) of size as shown in drawing, including two coats of anti-corrosive paint over a coat of red oxide zinc Chrome primer and necessary earth work in soft/loose soil including taking out old fixings complete all as specified & directed and as per TD no. TD/EM/6 sheet No 1/2 & 2/2.

Supply and fixing 100mm bore, cast iron Non return valve, flange type with by pass arrangement class PN 1.6 including removing old unserviceable complete all as specified and as directed.

Supply and fixing 80mm bore, cast iron Non return valve, flange type with by pass arrangement class PN 1.6 including removing old unserviceable complete all as specified and as directed.

Material & Labour for Cement concrete in foundations, filling and mass concrete C2 Type 1:3:6 (40 mm graded aggregate) for repairing old drain / path / hard standing including demolition of old PCC / Drain / Hard standing complete all as specified and directed.

Boring of holes under road, pavement, hard standing by trenchless excavation machine and necessary T & P including laying of DI/ GI pipe of 100/150 mm dia size suitable for 0.4 mpa working pressure complete all as specified and directed.

Dismantling framed steel work of any description such as in ladder work, bracings/supporting angle iron of Steel Sedimentation tanks, roof top MS sheets, rallings, etc from over head steel tank erected on 12m high staging, steel sedimentation tanks, gravity filters complete as specified and directed.

Supply & Fix rolled MS steel work in joist, channel, angle or tee sections, fixed independently by welding, posts, braching and purlins etc including special shaped washers etc., complete using but welded of grade Fe-410 W (Gde E 250 ) with one coat of zinc chromate primer paint for Aeration tower, perimeter Guard, Ladder on sedimentation tank etc as required on site complete all as specified and directed.

Supply and fix Cast Iron Air Valves with single air Outlets, conforming to IS 14845 of size 100 mm dia bore and fixing up in Cast Iron Water supply mains of size 100 mm dia including removing old unsv complete all as specified and as directed.

Supply and fix ISI marked Butterfly non retun valve(NRV) 100 MM with nuts bolt and washers complete all as specified and as directed.

Supply and fix ISI marked Butterfly non retun valve(NRV) 80 MM with nuts bolt and washers complete all as specified and as directed.

Taking out valve pit materia and removed from site complete all as specified and as directed.

Taking down old unserviceable CI pipe 100mm socket/flange type and removed from site complete all as specified and as directed.

Taking down old water GI tubing of 100mm size and removed from site complete all as specified and as directed.

Taking down old water GI tubing of 80mm size and removed from site complete all as specified and as directed.

Taking down old water GI tubing of 50mm size and removed from site complete all as specified and as directed.