Himachal Pradesh Irrigation And Public Health Department Tender

Design and construction, Testing and commissioning of Water Treatment Plant 2.76MLD for 24 hrs run:- Design, Construction, Installation, testing and commissioning of water treatment plant 2.76 MLD based on Rapid sand filter including cost of site development to adjust hydraulic levels as per contour plan and structural requirements, cost of construction of civil works, hoisting and errection of all steel works, providing and installation of all mechanical Electrical equipments/accessories, laying of all interconnecting GI/MSERW pipes and scouring arragements from all units with disposal of the same to appropriate place i.e. nearby nallah/khud/natural drainage, all types of valves, fittings and all contingent works at kalam khad(Location) capable of taking input and giving output as laid down in chapter-I of CPHEEO manual under all climatic conditions specified therein. The treatment plant includes C/O Inlet chambers, Raw water tank, Cascade Aerator,parshall flume, PST With tube settler, flash mixer, Clariflocculator, Rapid Sand Filter, back wash tank, clear water tank, Alum & Lime solution Tanks, chlorine contact tanks and complete mixing arrangement and boundary wall with fencing Panels, drainage channel, interconnecting path (Minimum 1.20 metre wide) chemical house, chemical handling and feeding arrangements, Plant building comprising with office, (100sqmt. plinth area). Providing and fixing of lightening arrangements (LED) lights made in the boundry unit of plant area, Providing and fixing all electrical/Mechanical equipments, proper walk way for Inspection/ operation of various units or any other unit or structure required to make plant fully functional. Sizes shall be based on manual of water supply and treatment published by CPHEEO, Ministry of Urban development (GOI) New Delhi. The design of various units shall conform to relevant Codes and specifications. All the hydraulic stuctuctures shall be designed and constructed in RCC M30 design shall be carried out as per Data sheet No.3 & volume II of technical specifications. All the structure shall be designed for uplift pressure encountred at footing as per contour plan uploaded, suitable protection structure shall be designed and provided to avoid direct entry of HFL water within treatment premises. On the completion of all civil, mechanical and electrical works, the contractor shall test and run the plant for 3 months and thereafter carry operation and maintenance of the plant for 5 years. ( Refer to Technical specification volume-II and Data sheet No.3)

Chowari Town

Design and Construction of Pump House cum Chowkidar quarter having 114.71 Sqmt Plinth area and 5.10 Mtrs. height complete in all respect. The pump house shall be aesthetically designed (to be approved by the competent authority). The work shall include all internal and external electrical wiring, water supply and sanitary fitting, painting and distempering, precast terrazo tile flooring, wooden frames and panelled & glazed shutter for doors & window and other allied items. The doors & window shall be in double shutters and M.S grills for window and internal wiring shall be in PVC conduit. All work shall be conforming to relevent IS code and to the entire satisfaction of Engineer-in- Charge. ( Data Sheet No.2)

Providing , Construction, and fabrication & errection of steel truss pipe Xing of different spans as per proper design & drawing along the route of Rising main 250 mm Dia MSERW pipe filled with water with the provision of welded, bolted steel work in built up section, trusses and framed work including applying a priming coat of red lead paint, cutting hoisting and fixing in position etc. complete in all respect . The work shall also include the cost of R.C.C. abtments in M-30 Concrete mix i/c excavation in all kinds of soil, well designed bearings cost of all other materials/ accessories as required for C/O crossing with in all lads and lifts. The design and drawings shall be prepeared by the contractor and got approved from the competent authority before xecution of work. The live load should be cinsidered as 150 Kg/Sq.( For detail refer Data Sheet -12).

Steel truss bridge at Gulad Nallah: 12 mtr span

Steel truss bridge at Kalam Nallah: 53 mtr span

Steel truss bridge at Salada Nallah: 16 mtr span

Construction of Thrust Block (For etail refer Data Sheet -5).

Excavation in foundation trenches etc. in earth work in all kinds of soil such as spade work,pick work,jumper work, blasting work, chieselling work, Kankar, mooram singles including decomposed in soft/hard work,chieselling/ wedging out of hard and soft rocks where blasting is prohibited, in saturated soil including bailing out the watering, by cutting in slopes where ever required, and stacking the excavated materials not more than 3.00 meters clear from the edge of excavation and then returning the stacked soil in 15 cm layers when required into plinth sides of foundtion and sides of trenches and above the laid pipes etc. consolidating in each deposited layer by ramming and watering and then disposing of all surplus excavated soil in all leads and lifts. After disposal, the surface shall be neatly dressed and levelled and shoring to its original shape complete in all respect, including all leads and lifts and as per the entire satisfaction of Engieer-in-Charge.(Pick work = 50% Jumper Work = 50%). Restoration of metalled surface to its original condition shall be paid for separately.

Providing and laying cement concrete 1:4:8 mix (One cement :Four sand : Eight stone aggregate 40mm nominal size) and curing complete excluding the cost of form work in foundation and plinth in Retaining wall as per direction of Engineer- in-Charge with in all lead & lifts.

Providing and laying Cement Concrete work 1:2:4(1cement :2 sand :4 graded stone aggregate 20mm nominal size) & curing complete excluding the cost of form work inreinforcement for reinforced concrete work.

Foundation , foootings base of columns and the like and mass concrete.

Providing form work with steel plates 3.15milimetres thick welded with angle iron in frame 30x30x5mm So as give a fair finish including centring shuttering , strutting and propping etc. with wooden battans & ballies, height of propping & centring below supporting floor to celing not exceeding 4.00 metres & removal of the same for in situ reinforced concrete & plain concrete work in :-

Vertical surface such as wall (any thickness) partitions walls & the like including the attached pillaster,s buttresses plinth string courses & the like as per the direction of the engineer-in-charge with in all lead & lifts.

Providing Tor steel reinforcement for RCC work including bending,binding & placing in position complete upto floor two level as per the direction of the Engineer-in-charge with in all lead & lifts.

Main Balancing Reservior and Sector Reserviors:- Survey , Designing, Constructing, Testing & Commissioning (to be approved by the competent authority) RCC Circular under ground/partial under ground and OHSR storage reservoirs as per capacity given below at various stages/sites including excavation in foundation in all kinds of soil. including PCC (1:3:6) in foundation and M:30 design mix in bottom slab/raft ,walls and beams. and RCC (1:2:4) in roof slab/dome with provision of inspection path around the dome with all alied Civil Works such as c/o chamber for valves, refilling and disposing of surplus excavated earth with in all leads and lifts. The job also includes providing lowering, laying, erecting, hoisting and jointing of pipe assembly for inlet, outlet, overflow and scour pipe with bye pass arrangement consisting of GI / MS pipes special and valves of required classes and dia and all other accessories required such as MS ladders inside and outside, CI cowl type ventilator, SFRC manhole covers with frames of heavy duty with proper locking arrangement, water level indicator. The tanks shall be hydraulically tested for water tightness, All works shall be conforming to relevant IS code. The cost of valves,bulk meter/ flow meter shall be included in the rates of tanks .complete in all respects to the entire satisfaction of the Engineer-in-charge .The contractor shall provide 6 sets of approved drawing and design to the department including cost of site development required as per site conditions. ( Data Sheet No.4)

C/O MBR1,SR1, 1125000Liter capacity at Node No:-03 at Village Talata

C/O MBR1,SR1, 30000Liter capacity at Node No:-05

C/O MBR1-SR2, 125000 Liter capacity at Node No:-06

C/O MBR1-SR3, 60000 Liter capacity at Node No:-08

C/O MBR1-OHSR, 220000 Liter capacity with staging height of 12 mtrs at Node No:-42

C/O MBR1-SR1, 100000 Liter capacity at Node No:-07

Schedule A2-Pumping Machinery and Electrical Works :- Pumping Machinery Sump well To Water Treatment Plant.(Booster Stage.)

PUMPING MACHINERY SUBMERSIBLE:Supply of star rated enrgy efficient Submersible pumping set of KSB/Calama/ WPIL/ Crompton/BS/ SABAR/ Oswal/ Kirloskar make conforming to latest relevant BIS Code 8034:1976 with upto date ammendments. The pump should be fitted with bronze impeller or suitable alloys suitable for handling Raw water having greased packed bearings and shaft with wound stator on motor side and with soft protection sleeve on pump side ensuring better life for shaft coupled to a submersible squirrel cage electric induction motor (water proof type) of required HP of reputed make conforming to BIS 9283-1979 latest with upto date amendments, totally dust and water proof for submersible duty isolated from the pump by intermediate casing with double mechanical seal in oil chamber and grease packed lubricated bearings and provided with stainless steel thrust bearing plate to with stand non vertical loads with minimum wear and tear. It should also be fitted with a device to take up expansion of water with the heating of motor. The pump set should include water level guards, erection clamps , cable clips, depth gauge NRV & Sluice valves of approved class etc. The work should be completed to the entire satisfaction of the Engineer-in – Charge. The HP are indicative.The power of electric Motor should be atleast +10% in excess of maximum power required by the pump in operation range of + 10% and (-) 15% of the duty point head. For detailed design parameters/ requirements are given in Below. ( Data Sheet No.9) Booster Stage : 2.00 Set 17.50=35 H.P.(1 W+1S) , Discharge :38.29 L.P.S., Head: 19.87 Meter

Pumping Machinery: Pump house to above villageTalata.

PUMPING MACHINERY CENTRIFUGAL:-Supply ,Installation ,Testing & Commissioning of star rated enrgy efficient horizontal spindle, horizontal/ radial split casing/end suctions (back pull out arrangement)single/double/multistage centrifugal pump suitable for operation, in parallel of recommended make such as Mather and platt/KSB/Kirloskar/Jyoti /Beaconweir BS&BE confirming to BIS-1520-1980 with upto date ammendments, read with IS:9137-1978 or latest edition suitable for lifting clear water for under mentioned characteristics with bronze/Bronze impellers, priming funnels, casing ring and shaft sleeves of bronze/ steel, shaft of SS:410/AIS 1431 Chrom in plated with cast iron casing coupled directly through a flexible coupling on a Common MS base plate to squirrel cage TEFC/CACA energy efficient motors of standard make such as Kirloskar/BHEL/ Crompton/NGEF/GEC/Siemens/ Jyoti/Area Brown Boven/ABB/CGL The power of electric motor/motors should be at least (+) 10% in excess of the maximum power required by the pump/pumps in the operation range of (+) 10% and (-) 15% of the duty point head. The motor/motors should be as per IS: 325-1978 with upto date amendments read with IS:900-1972.. ( Data Sheet No.10) Booster Stage :3 Sets (2 W+1S) , Discharge :17.98 L.P.S.., Head : 177.84 Meter

AUTOMATION OF ENTIRE SYSTEM : The tenderer/firm shall provide proposal for automation which comprises of (i) 1 Intake arrangement (ii) 1 Nos Pump houses (iii) 1 Nos Over Main Balancing Reservoir (iv) 9 Nos Under ground Storage Reservoirs/Collection tanks (vi) Providing and fixing various actuated valves of relevent class and dia as per relevant Data Sheet and technical specification shall be provided in all storage reservoirs at outlets and shall be automated in such a way that these are automattically operated at pre fixed hours/ time or any other logic decided by the department and operated from main SCADA centre at left Bank of Hobardi Khad Pump house. Electromagnetic flow meters of approved makes shall be provided at each storage reservoir outlets and its output in the shape of total quantum of water delivered in a hour day and month shall be generated at main control station. GSM based devices shall be installed at each tank location, which shall send massages through SCADA station at remote access location at sub division office Chowari. This data transmission system at each tank consists of field instruments for providing digital and analog signals to data transfer module. This module will have a communication to web data transfer system modle communication. The PLC station will have control station with programmable graphic process, mimics, real time and historical trending face plate and group display, alarm management and report with Laser Jet printers and required furniture. At each tank locations controlling devices shall be installed with water meter sensors, flow transmitters, level transmitters in each tank. Installation of hardware along with commissioning/ programming as per user requirement shall be done. The firm has to submit detailed automation proposal incorporating all the hardware involved owing to above mentioned scope in the technical bid. The detailed automation proposal shall be got approved by the firm from CE Dharamshala . Firm has to incorporate all the inputs and outputs suggested by the department in the SCADA. The makes of Sluice valves shall be Kirloskar/Leader/KSB. The makes for Electrical actuators for automatic valves shall be Marsh/Auma/Rotex. The make for PLC shall be Siemens/Allen Bradly. The makes for Ultra Sonic level sensers shall be ABB/Siemens/E&H/Fobes Marshal. The makes for EM Flow meters shall be of Krohne Marshall/Siemens/ABB/SBEM/George Fishers/E&H.To automised the entire scheme up to junction points of all storage tanks and in data sheet no 9 &10 (Decision for finalisation of proposal lies with the department without assigning any reason) Refer Vol-II Technical specification & Data sheet No.:-11)

U.V. based distinfection system of WTP alongwith closeous chloringation at MBR:- Supplying,errection and commissioning of gaseous chlorination plant at Main Storage Tank above Village Talata. complete in all respect having chlorinator capable to deliver 0-2500 gm/hr of chlorine gas along with 2 No sets of 1W+1S Booster pump set of approved make with electric motor and 2 No sets of 1W+1S water piping from water main to booster pump . It shall also consist of chlorine gas cylinder 100 Kg capacity duly approved by CCE Nagpur and filled with chlorine gas 1 No at each along with chlorine analyzer to indicate chlorine contant level in the chlorinated water to supply. The contractor/firm shall also supply accessories/spares such as Multipurpose cylinder key--1No,lead washers-6No,Ejector Gasket-2sets,Hose Clips-4No,Ammonia Bottle-50ml-1No alongwith safety items covering chlorine leak emergency kit, self contained breathing apparatus, Eye-shower for each unit complete in all respect as per the direction of Engineer-in-charge.(Refer Data Sheet No:-13 and 13A for further details.)

Providing, laying, jointing and testing in trenches of mild steel electrically resistance welded steel flanged pipes with 5% flanged joints and remaining 95% with butt welding including cost of bends complete conforming to ISO:IS:3183-2007 with upto date ammendments as per dimensions weight and test pressure mentioned below in a random length of 4m-7m, The M.S. flanges are to be provided 5% of total joints as per table below conforming to IS: 6392-1971 (latest upto date amendments) and welding of flanges with pipes as per IS: 816-1965 with a electrode as per IS: 814-1967 including required Nos. and size of M.S. nut and bolts as per IS: 1369-1967 and compressed asbestos fiber jointing gaskets sheet not less than 3mm thick as per IS: 2712-1965. The welding of flanges to be done on two layers on outer face and one layers on inner face to make the joints leak proof and to the entire satisfaction of the Engineer-in-charge. The laying of pipes should be conformed to IS: 5822-1994 (earth work in trenches, MS flanges and butt welded joint to be measured and paid seprately) The pipe shall have zinc coating as per IS:4736 latest with upto date ammendments with in all leads and lifts complete in all respect.( Data Sheet No.6&7&8)

Conveyence Main:-GMSERW Pipe 250mm,L 290 or x 42 Wall Thickness 4.80mm From RD 0 to 150.( Data Sheet No.8)

Booster Stage:-GMSERW Pipe 250mm,L 290 or x 42 Wall Thickness 4.80mm, From RD 0 to 110.( Data Sheet No.6)

Stage 1st.:-GMSERW Pipe 250mm,L 290 or x 42 Wall Thickness 4.80mm, From RD 0 to 1230.( Data Sheet No.7)

Providing and welding M.S. flanges at 5% joint flanged, conforming to following tables as per IS 6392-1971 (Latest with up to date amendments) with plain end MSERW pipe /GI pipe by two layers on outer faces and one layers on inner face to make the joint leak proof (The cost of providing and laying of MSERW /GI pipes and butt welded joint to be measured and paid for separately). The welding of flanges should conform to IS: 816-1969 with electrodes as per IS: 814-1991 and required number of nuts and bolts conforming to IS 1364 including cost of gasket sheet nuts & bolts. The thickness of gasket sheet not less then 3.00mm conforming to IS 2712-1998. The work shall be done to the entire satisfaction of Engineer in Charge with in all leads and lifts.

Head weir to Sump well:-GMSERW Pipe 250mm,L 290 or x 42 Wall Thickness 4.80mm,Flange Table-5 From RD 0 to 150

Booster Stage From Sump well to WTP:-GMSERW Pipe 250mm,L 290 or x 42 Wall Thickness 4.80mm,Flange Table-5 From RD 0 to110

Stage Stage 1st Pump house to above village Talata:-GMSERW Pipe 250mm,L 290 or x 42 Wall Thickness 4.80mm,Flange Table-28 From RD 0 to 600

GMSERW Pipe 250mm,L 290 or x 42 Wall Thickness 4.80mm,Flange Table-17 From RD 600 to 960

GMSERW Pipe 250mm,L 290 or x 42 Wall Thickness 4.80mm,Flange Table-11 From RD 960 to 1080

GMSERW Pipe 250mm,L 290 or x 42 Wall Thickness 4.80mm,Flange Table-5 From RD 1080 to 1230

Providing and fixing double flanged cast steel Sluice valve of following dia of Kirloskar/Leader make conforming to BS:1414 / API-600 various Class including campanion sheet gasket 3 mm thick with MS flanges of table-17 as per IS 6392-1971 i/c welding of M.S. flanges in two layers on both faces to make the joint leak proof and capable of with standing of nominal seat pressure of 21.00 Kg/cm2 with upto date amendments i/c carriage in all leads & lifts & complete in all respect a as per direction and to the entire satisfaction of Engineer-in-Charge. ( Data Sheet No.7)

250 mm Dia.M.S. Flange Table-5

Providing Cast steel flanged sluice valve Class ASA 150 (Kirloskar/Leader /KSB) for Scour system at required locations for following dia and class in MSERW Pipe comprising of Sluice Valve, Tee, Bends, tail Piece manufactured of Parent pipe , Flanges joint complete with rubber gasket, Nuts & blots, & Scour arrangement etc . The item will include laying and jointing of drainage pipe of required dia and class up to suitable points as per latest BIS Code complete in all repects of required size as per the direction of Engineer-in-Charge within all leads and lifts. (Data Sheet No.7)

250 mm Dia.F.T -17 ASA-150

Providing Cast steel flanged sluice valve Class ASA 300 (Kirloskar/Leader /KSB) for Scour system at required locations for following dia and class in MSERW Pipe comprising of Sluice Valve, Tee, Bends, tail Piece manufactured of Parent pipe , Flanges joint complete with rubber gasket, Nuts & blots, & Scour arrangement etc . The item will include laying and jointing of drainage pipe of required dia and class up to suitable points as per latest BIS Code complete in all repects of required size as per the direction of Engineer-in-Charge within all leads and lifts.( Data Sheet No.7)

250 mm Dia. F.T.- 38 ASA-300

Providing Cast steel flanged Reflux valve Class ASA 150 (Kirloskar/Leader /KSB) for Scour system at required locations for following dia and class in MSERW Pipe comprising of Sluice Valve, Tee, Bends, tail Piece manufactured of Parent pipe , Flanges joint complete with rubber gasket, Nuts & blots, & Scour arrangement etc . The item will include laying and jointing of drainage pipe of required dia and class up to suitable points as per latest BIS Code complete in all repects of required size as per the direction of Engineer-in-Charge within all leads and lifts. (Data Sheet No.7)

250 mm Dia Flange Table-17 ASA-150

Providing Cast steel flanged Reflux valve Class ASA 300 (Kirloskar/Leader /KSB) for Scour system at required locations for following dia and class in MSERW Pipe comprising of Sluice Valve, Tee, Bends, tail Piece manufactured of Parent pipe , Flanges joint complete with rubber gasket, Nuts & blots, & Scour arrangement etc . The item will include laying and jointing of drainage pipe of required dia and class up to suitable points as per latest BIS Code complete in all repects of required size as per the direction of Engineer-in-Charge within all leads and lifts.( Data Sheet No.7)

250 mm Dia Flange Table-38 ASA-300

Providing and fixing of double flanged Single acting Air Valve Bir/Kirloskar/KSB / Leader make of following diameter of flange table-17 body and plate made of fine grained cast steel small orifice fitted with rubber ball, large orifice with vulcanized butt ball, flanged inlet,tested to hydrulic test pressure of (160m) suitable for duty conditions confirming to relevant BIS codes latest upto date ammendments including MS Flanges with Table 23/17/5, nuts and bolts and gasket sheet complete in all respect as per direction of Engineer- in- charge for all rising mains.(Data Sheet No.7)

250 mm dia.

Providing,laying and jointing testing in trenches galvanised mild steel tubes screwed and socketed. ISI marked conforming to IS: 1239( latest with upto date ammendments) including tube fittings such as bends, tees, air valves, unions and collars etc as per direction and to the entire satisfaction of the engineer in charge (earth work in trenches to be measured and paid for separately). Negative tolerance in thickness and mass will not be accepted. ( Data Sheet No.8)

25mm dia ( Light Class)

32mm dia (Light Class)

40mm dia (Light Class)

50mm dia (Light Class)

65mm dia (Light Class)

80mm dia (Light Class)

100 mm dia (Light Class)

Providing, laying, jointing with circumferential butt joints by electrical arc welding( welding thickness shall be equal to pipe wall thickness) and testing of GI pipe of Jindal/Surya Roshani/Tata/AST or of approved rate contract of DGS and D/HP Govt make of following diameter confirming to IS:1239:1990 (Part-ii) (latest with upto date amendements having wall thickness as specified below capable of withstanding required test pressure, including manufacturing and fabrication of reducers tapers all short pieces, bends ect as per site requirement made from parent tubes. The laying of pipe shall also include flanged joints dully welded in three layers( two inner and one outer) wherever required as per engineer- in charge (earth work in trenches and the cost of flanges I/C nut and bolts gasket will be measured and paid for separately) and all operations such as cutting, welding and jointing fabrication of bends tees i.e lowering and laying in excavated trench to ensure required level including flushing cleaning and hydraulic testing complete in all respect tp the entire satisfaction of the Engineer in charge.. The fabricated bends shall have three or four cuts having its radius not less than five times the dia of pipe. The welding electrodes shall be as per IS 814 of Advani Overlikon/over cord s/s make. The damaged portion of the pipe and all specials (if damaged during laying and jointing operation of pipe) made from the parent tube shall be provided anti corrosive treatment by applying two coats of anti corrosive bituminous paints over a priming coat as per AWWA specification C-203-1978. The rates also include entire carriage of material, flushing, cleaningand hydraulic testing DP testof butt welded joints complete in all respect and to the entire satisfaction of Engineer in Charge with in all leads and lifts ( Data Sheet No.8)

G.I. Pipe 125 mm dia (Medium Class) Flange Table-5

G.I. Pipe 150 mm dia (Medium Class) Flange Table-5

Providing and welding M.S. flanges at 5% joint flanged, conforming to following tables as per IS 6392-1971 (Latest with up to date amendments) with plain end MSERW pipe /GI pipe by two layers on outer faces and one layers on inner face to make the joint leak proof (The cost of providing and laying of MSERW /GI pipes and butt welded joint to be measured and paid for separately). The welding of flanges should conform to IS: 816-1969 with electrodes as per IS: 814-1991 and required number of nuts and bolts conforming to IS 1364 including cost of gasket sheet nuts & bolts. The thickness of gasket sheet not less then 3.00mm conforming to IS 2712-1998. The work shall be done to the entire satisfaction of Engineer in Charge with in all leads and lifts.

G.I. Pipe 125 mm dia (Medium Class) Flange Table-5

G.I. Pipe 150 mm dia (Medium Class) Flange Table-5

Dismantling of galvanized mild steel , tube fitting ( light grade ) ( earth work in trenches to be measured and paid for seprately )and stacking at sectional store complete wiith in all leads and lifits as per the direction of Engineer in Charge of the following nominal bores.

15mm dia ( Light Class)

20mm dia ( Light Class)

25mm dia ( Light Class)

32mm dia (Light Class)

40mm dia (Light Class)

50mm dia (Light Class)

65mm dia (Light Class)

100 mm dia (Light Class)

Providing and fixing double flanged cast iron Sluice valve of following dia of Kirloskar/Leader make conforming to BS:1414 / API-600 various Class including campanion sheet gasket 3 mm thick with MS flanges of table-17 as per IS 6392-1971 i/c welding of M.S. flanges in two layers on both faces to make the joint leak proof and capable of with standing of nominal seat pressure of 21.00 Kg/cm2 with upto date amendments i/c carriage in all leads & lifts & complete in all respect a as per direction and to the entire satisfaction of Engineer-in-Charge. ( Data Sheet No.8)

50mm dia

65mm dia

100mm dia

125mm dia

150mm dia

Constructing chamber for sluice valve, with CI surface box 100 mm top dia.,160 mm bottom dia. & 180 mm deep(inside) with chained lid RCC top 1:2:4 mix (1 cement :2 sand :4 graded stone aggregate 20 mm nominal size) 100mm thick foundation concrete 1:5:10 mix (1cement : 5 sand : 10 graded stone aggregate 40 mm nominal size) & inside plastering with cement mortor 1 :3 (1 cement : 3 sand) finished with a floating coat of neat cement i/c curing complete. 600 x 600 x 750 mm inside size With 150 mm thick walls of RCC 1:2 :4 (1 cement :2 sand :4 graded stone aggregate 20mm nominal size) complete with form work & reinforcement with 6 mm bars at not exceeding 150 mm centres both ways. ( Data Sheet No.8)

Operation and Maintenance of entire scheme for 5 Years (refer datasheet No.16)