Public Health Engineering Department Tender

Add 15% extra on above item (Item No 2.3.1 to 2.3.2) for drilling depth beyond 100 mtr and up to 200 mtr from ground level, rate shall be applicable for only extra depth beyond 100 mtr and up to 200 mtr.

Construction of tube well after completion of drilling by rotary /percussion method & upto 100 mtr. depth in all type of rocks by DTH system as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended upto date) and technical specifications. The work shall be deemed completed only after obtaining sand free water. The bore well should have a throughout nominal size bore beyond casing pipe.

Nominal bore 200mm dia

Add 15% extra on above item for drilling depth beyond 100 mtr and up to 200 mtr from ground level, rate shall be applicable for only extra depth beyond 100 mtr and up to 200 mtr.

Add 30% extra on above item for drilling depth beyond 200 mtr and from ground level, rate shall be applicable for only extra depth beyond 200 mtr .

Development of tube well having depth up to 250 mtr as per IS: 11189- 1985 and IS: 2800 (Part- I)- 1991 (both amended up to date) using suitable methods to give sand free water for required yield of the gravel packed tube well.

Supply of ERW M.S. black casing pipe ISI marked (IS: 4270/2001) or amended up to date of following sizes 200 mm dia NB (Thickness of pipe 5.4mm & mass of tube 28.46 Kg/m)

Supply & Fixing tube well cover of MS sheet 8mm thick at top & 5mm thick 100mm wide shroud around the edge so as to form a cap on the top end of casing pipe with GI Nipple 45cm long & two GI flanges at both ends in 80mm sizes passing through a hole in the centre of MS sheet. A 25 mm socket with end plug shall also be welded over top plate. A GI nipple having outside thread of size 1/2" (for installation pressure gauge) shall be provided & welded with 80mm GI nipple near top plate nipple shall be provided with end plug. 200 MM Dia

Labour charges for making slots on blank pipes made of ERW MS black pipe ISI marked of following size, the slotting should be as per IS: 8110-1985. 200 MM dia nominal bore of 5.4 mm thickness

Supply & Installation of 3 phase ISI marked submersible motor pump set of three star or better rating of BEE and as per IS: 8034-2018 (pump) and IS 9283-2013 (motor) or as amended up to date of approved make of following duty condition with required accessories including making connection suitable for tube well/DCB. The job includes lowering of motor pump, installation of complete fitting & accessories, jointing of electrical cables up to switch board, testing of submersible pump set and interconnection up to water mains, complete in all respect. 9.3 KW (12.5 HP) & Head above 120 Mtr.

Supply & Fixing of ISI marked three core PVC flat submersible cable as per IS 694:1990 or amended up to date and conductor as per class 5 of IS 8130:1980 including making connection etc. 3 core 4.00 Sq. MM

Supply & Fixing XLPE insulated / P.V.C. sheathed cable of 1.1 KV grade with aluminium conductor Armoured of IS:7098-I/1554-1 approved make in ground as per IS:1255 including excavation of 30cmx75cm size trench, 25 cm thick under layer of sand, second Class bricks covering, refilling earth, compaction of earth, making necessary connection, testing etc. as required of size. 4 core 16.00 Sq. MM

Providing & Lowering in tube well ISI marked GI Pipe medium duty (“B" class), Steel tube as per IS:1239 or amended up to date and zinc coating as per IS 4736, threaded and double flanged (welded) on both ends and two number 25x3mm MS flat welded on both ends between pipe & flange, rubber washer & nut bolts etc. complete in all respect.

(a) 50mm dia

(b) 80mm dia

Providing & laying ISI marked GI Pipe Light duty ( “A” class) as per IS: 1239 for casing pipe for submersible cable external work 40 mm dia complete in all respect.

Providing, lowering, aligning, fixing in position in pipe line, CI D/F Sluice valves of approved make of following Pressure rating & dia complete, confirming to IS:14846 (amended up to date) and of following specifications: Body, Bonnet, Wedge, Gland, Thrust Plate, Cap & Hand wheel of Grey cast iron of IS:210/ FG200 Stem - SS 304 ,Body Seat ring, Wedge facing ring & Bushes - LTB2/ SS , Face to face dimensions as per IS 14846/2000 (amended up to date), All exposed machined ferrous surfaces shall be painted with one coat of aluminium red oxide primer conforming to IS:5660 and two coats of black Japan paint conforming toType B of IS 341or paint conforming to IS9862 or IS2932( Non-Toxic- suitable for drinking water) applied inside and outside, Flanges Drilled as per IS 1538.Nut-Bolt confirming to IS:1363 and IS: 1367/ CS/ galvanised steel.Insersion rubber of black EPDM 6mm thick . Suitable support structure as per directions of EIC. Sluice valves including all jointing & jointing material, labour, testing and commissioning along with pipe line as per Technical Specifications and as per direction of Engineer-in-charge. Note: Rates are exclusive of tail piece/ dismantling joints and earth work. Manually operated CI sluice valve of class PN-1.0 (80mm HW)

Providing & Fixing of double flanged, CI body, ISI marked NRV of approved make of following sizes80mm dia

Supplying & Installing 100 mm diameter sealed diaphragm bourdon type pressure gauge of range 0 to 10 kg. including all jointing material as per specification with safety cover.

Providing, installing, testing and commissioning of double flanged bulk flow meter with removable mechanism, of class B conforming to ISO 4064/1 or amended upto date of approved make including cost of all material and labour as per specifications with GI Box (sheet 16 SWG) suitable with locking arrangement of following. 65 mm dia

Supply and Fixing of electric control feeder panel comprising of suitable rating MCCB , fully automatic star-delta starter, over load relay, ampere meter with CTs, volt meter, phase preventer, suitable starting capacitors, phase indicators, lighting arrangement etc complete suitable for three phase pump set. The panel should have space for energy meter ( supplied by DISCOM). All these equipments shall be housed by panel box made out from 18 gauge M.S. Sheet with powder coating. Panel should be of minimum size 900 x 600 x 450 mm with Stand ( made of angle iron of size 35x35x5mm) duly bolted/screwed with enclosure box having 4 legs, each leg’s length 18" and double door including in built locking system. The legs should be embedded in M-15 cement concrete plat form. The size of CC platform should be equal or bigger than the base size of panel having height of at least 200 mm from ground level. The panel should have opening of suitable size in front of space for energy meter with glass for meter reading. The operation of panel should be suitable for on 440 Volt AC Supply. Above 10 HP and Up to 15 HP

Plate Earthing as per IS: 3043 with G.I Earth plate of size 600mm X 600mm X 6.00mm by embodying 3 to 4mtr. below the ground level with 20mm Dia G.I 'B' class watering pipe including all accessories like nut, bolts, reducer, nipple, wire meshed funnel and C.C finished chamber covered with hinged type with locking arrangement C.I Cover, C.I frame of SIze 300mm X 300mm complete with alternate layers of salt and coke/charcoal, testing of earth resistance as required.

Providing &fixing of pump safety cage as per specification as directed by Engineer.

Providing and laying in position cement concrete in specified grade over prepared base course complete including finishing, curing, all material, labour, machinery, lighting, M15 grade Nominal Mix 1: 2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size).

PIPELINE WORK

Providing, lowering, laying and jointing in trenches,  standard lengths HDPE ISI marked Pipes as per IS-4984: 1995 (amended upto date) with necessary jointing material like mechanical connectors, i.e. thread/ insert joint/ quick release coupler joint/ compression fitting joint or flanged joint and specials jointing pipe by electro fusion welding method, including all taxes , transportation and freight charges, inspection charges, loading/ unloading charges, stacking of pipes, including cost of labour and material, specials (Tee, bend etc.), satisfactory hydraulic testing, disinfection etc. complete as per technical specifications and direction of Engineer-in-charge of following class and diameter. (excluding earth work) . Note : Providing and fixing of all requisite specials as per drawing, design and layout are inclusive in RM measurement of the item and shall not be paid separately. Supply may be in coil or straight length in 6 M/12 M.

(HDPE PE-80 PN-10)

90mm

110mm

(HDPE PE-80 PN-6)

75mm

90mm

110mm

125 mm

140 mm

160 mm

200 mm

Providing, lowering, laying in trenches, aligning, fixing in position and jointing Ductile Iron (DI) ISI marked K-7 grade S&S pipes as per IS:8329-2000 (amended up to date), with internal cement mortar lining suitable for potable water with rubber ring (EPDM) joints as per IS: 5382-1985 including all taxes (Central and local), transportation and freight charges, inspection charges, loading/ unloading charges, including cost of labour and material, specials (Tee, bend etc.) satisfactory hydraulic testing, disinfection, commissioning etc. complete as per technical specifications and direction of Engineer-in-charge. (excluding earth work) Note : Providing and fixing of all requisite specials as per drawing, design and layout are inclusive in RM measurement of the item and shall not be paid separately.

100mm

150mm

Providing, lowering, aligning, fixing in position in pipe line, CI D/F Sluice valves straight and pocket less body passage of approved make of following Pressure rating & dia complete, confirfing to IS:14846 (amended up to date) and of following specifications: Body, Bonnet, Wedge, Gland, Thrust Plate, Cap & Hand wheel of Grey cast iron of IS:210/ FG200 Stem - SS 304 ,Body Seat ring, Wedge facing ring & Bushes - LTB2/ SS , Face to face dimensions as per IS 14846/2000 (amended up to date) ,Epoxy ( Non-Toxic- suitable for drinking water) applied inside and outside, Flanges Drilled as per IS 1538. Nut-Bolt confirming to IS:1363 and IS: 1367/ CS/ galvanised steel Insersion rubber of black EPDM 6mm thick . Sluice valves including all jointing & jointing material, labour, testing and commissioning along with pipe line as per Technical Specifications and as per direction of Engineer-in-charge. Note: Rates are exclusive of tail piece/ dismantling joints and earth work.

Manually Operated CI Sluice valve of Class PN-1.0

80 mm HW

100 mm HW

125 mm HW

150 mm HW

200 mm HW

Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in trenches of required width and gradient for laying and jointing of pipe line including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 Mtr. including taking out the excavated soil, and then returning the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layer by ramming, watering etc. and disposal of surplus excavated soil as directed within a lead of 50 Mtr. including required all safety provisions etc. All kind of soil

Dismantling of cement concrete pavement for pipe line line and chambers by mechanical means using pneumatic tools, cutting the peripheral edge by CC cutter, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 meters. Measurement for dismantled trench to be made as per standard trench width specified in tender document and no extra payment shall be made be made for trench width more than specified, re-handling of material/earth to complete the tasks as per technical specification and scope of work.

Removing & Re-fixing of Precast concrete interlocking blocks by manual, stacking of serviciable & non serviceable material separately. disposal of dismantled material lead up to 50 mtr. The C.C. interlocking paving blocks be laid on average 25 mm thick bed of coarse sand and the joints to be filled with fine sand. Laying procedure on compacted sub base as defined. Complete job is to be executed as per the directions of Engineer in charge. The rates to be inclusive of fixing of minimum 70 percent reusable precast concrete interlocking block and cost of required new precast concrete interlocking block against damaged, including all lead and lift as per Technical specifications. (Interlocking block manufactured by fully computerized automatic stationery hydraulic vibro pressed machine & full computerized automatic batching plant of class A-1 as per BS:6717-2001. Tensile splitting strength and breaking load as per BS: 6717-2001 Colour: Grey cement natural colour. Variation in Dimension : Less than 1.6 mm Variation in thickness: Less than 3.2 mm)

60mm Thick

Providing and laying in position cement concrete M10 grade nominal mix 1:3:6 (1 Cement : 3coarse sand : 6 graded stone aggregate 40 mm nominal size) in base course complete including all material, labour, machinery, lighting, guarding for road restoration work in trenches of pipe line and chamber work. Measurement for CC work to be made as per standard trench width specified in tender document and no extra payment shall be made be made for trench width more than specified, complete work as per technical specification and scope of work.

Construction of RCC valve chamber for different type of valves including earthwork excavation, 100mm PCC M10 (1:3:6 (1 Cement: 3 coarse sand : 6 graded stone aggregate 20mm nominal size) as leveling course, RCC M20 grade (1:1½:3 (1 Cement : 1½ coarse sand : 3 graded stone aggregate 20mm nominal size) for base slab, side wall & cover slab all 125mm thick with C.I. surface box with hinged cover 100x100x75mm (deep), including cost of steel reinforcement not less than 80kg per cum CC, form work, proper curing of concrete work complete in all respect as per standard specifications and drawings and as directed by Engineer.

60cm x 60cm x 75cm (depth) for 80/100/125/150 mm dia valve

90cm x 90cm x 100cm (depth) for 200/250/300 mm dia valve

RESERVOIR WORKS

Construction of RCC (Flat slab type) Clear Water Reservoir of following capacity as per the Scope of work and Technical specification, consisting of the following main activities: - a) Topographic survey, preparation of site contour plan, conducting SBC test and its approval from department before construction. Submission and approval of concrete mix design and water quality test report for water to be used in construction. b) Excavation in all types of soil, PCC below foundation & all RCC Work including all labour and material charges including providing and fixing of accessories such as SS ladder, SS manhole frame and covers, water level indicator (float type), SS ventilator with SS screen, float valve, puddle collars, G.I. pipe railing around walk way, Top Dome/Slab, Staircase. c) CWR shall be provided with adequate plinth protection all around the structure in a width starting from edge of structure at GL and extending at least up to 1.0m beyond the vertical wall of CWR. The plinth protection shall consist of 150mm thick PCC in M-15 concrete over 150mm thick compacted soil fill. d) Providing and applying two coats of food grade epoxy paint on the inside surface of the roof slab, and 600 mm height of the vertical wall. e) Successful hydro test and water tightness test as per I.S. code. f) Providing and applying three coats of anti-carbonation paint on the roof Slab. g) Providing and applying three coats of cement-based paint on the remaining external surface area of the structure. h) Providing and fixing SS-304 ventilator, SS 304 manhole frame and cover and SS 304 ladder from roof slab to bottom Slab, inside container. Providing and fixing water level indicator (Float type). i) Providing and fixing MS ladder from ground to top slab. j) All MS parts to be painted with two coats of the enamelled paint over the primer coat of red oxide. k) Providing and fixing of 150mm wide water bar for the construction joints in the container. l) Providing and fixing CI/DI puddle collars the vertical wall for connecting inlet, outlet, overflow and washout pipes of the reservoir. m) Inlet, outlet, overflow, washout pipes and valves are not included in this work, provision for the same shall be taken separately.

Rates for RCC Partially Underground type clear water reservoir SBC 7 T/sqm, SEISMIC ZONE-4

75 KL Capacity

Providing and fixing double flanged ISI marked DI Class K-9 pipes as per IS:8329-2000 (amended up to date), as vertical pipes for RCC Reservoirs including specials required such as duck foot bend, bend, tee etc. providing and fixing clamps at every 3 mtr, jointing materials such as nuts, bolt, rubber packing, hydraulic testing etc. complete in all respect up to and from valve chamber as per direction of EIC, Technical Specification and Scope of work for CWR .

100 MM Dia

150 MM Dia

Construction and commissioning of RCC INTZE type Over Head Service Reservoir of following capacity and staging as per the Scope of work and Technical specifications, consisting of the following main activities: -a) Topographic survey, preparation of site contour plan, conducting SBC test and its approval from department before construction. Submission and approval of concrete mix design and water quality test report for water to be used in construction. b) Excavation in all types of soil, PCC below foundation, all RCC Work, Plinth protection all around the structure including all material, labour, shuttering, scaffolding etc. c) OHSR shall be provided with adequate plinth protection all around the structure in a width starting from edge of structure at GL and extending at least up to 1.0m beyond the edge of outer most projection of OHSR. The plinth protection shall consist of 150mm thick PCC in M-15 grade concrete laid over 150mm thick layer of compacted soil. d) Providing and applying two coats of food grade epoxy paint on the inside surface on the top dome, edge beam and 600 mm height of the vertical wall. e) Conducting successfully hydro test and water tightness test as per I.S. code. f) Providing and applying three coats of anti-carbonation paint on the top surface of the Top Dome. g) Providing and applying three coats of cement-based paint on the external surface of the container, balcony, cone wall, columns & beams etc.. h) Providing and fixing SS-304 ventilator, SS 304 manhole frame and cover and SS-304 ladder from top dome/Slab to bottom dome/Slab inside container. i) Providing and fixing of MS section ladder from the last landing to balcony having railing all around it and MS ladder with safety cage from balcony to top dome/slab. j) Providing and fixing water level indicator (float type). k) Providing and fixing of hand railing all around the balcony, top dome and staircase consisting of 25mm diameter Class-B GI pipe in two rows and 1000 mm high, 50X50X6mm angle iron vertical post at a maximum spacing of 1500mm centres. l) All MS parts to be painted with two coats of the enamel paint over the primer coat of red oxide. m) Providing and fixing of 150mm wide PVC water bar for the construction joints in the container (vertical wall & cone wall). n) Providing one Aluminium portable ladder of appropriate length to access first landing (3.5 to 4.5m above GL) from ground. o) Lighting arrestor consisting of providing and fixing of 2 Nos. of chemical earthing and connecting it to the conical cover of SS ventilator with two separate GI strips of 50mmX3mm. p) CI/DI puddle collar shall be fixed in the bottom dome/ slab for connecting inlet, outlet, overflow and washout pipe of the reservoir. q) Painting the name of the scheme and other details on the reservoir, and any other work related to structure as per the directions of Engineer-in- Charge, Technical Specification and Scope of Work. r) Inlet, outlet, overflow, washout pipes and valves are not included in this work, provision for the same shall be taken separately.

Rates for RCC OHSR,SBC 10 T/sqm, SEISMIC ZONE-IV & STAGING 18 M

250 KL Capacity

Providing and fixing double flanged ISI marked DI Class K-9 pipes as per IS:8329-2000 (amended up to date), as vertical pipes for RCC Reservoirs including specials required such as duck foot bend, bend, tee etc. providing and fixing clamps at every 3 mtr, jointing materials such as nuts, bolt, rubber packing, hydraulic testing etc. complete in all respect up to and from valve chamber as per direction of EIC, Technical Specification and Scope of work for OHSR.

100 MM Dia

150 MM Dia

200 MM Dia

CWR PUMPING MACHINARY

Providing, installation, testing and commissioning of submersible monoblock pump set conforming to IS 8034 and 2 pole motor operating at syncronised speed of speed 3000 RPM, with water proof winding. Pump shall be suitable for various delivery head and discharge with stainless steel shaft. Motor suitable for working on 415 V ± 10%, 3 Ph, 50 Hz AC and with water lubricated bearing to accept entire hydraulic thrust. Supply, with cable guard, thrust carbon/fiber bearing to withstand entire hydraulic thrust. The pump set shall be suitable for direct coupling, with suitable suction strainer. Pump should have suitable discharge out let as per manufacturer's design. Antithrust stream lined non return valve shall be provided with the pump and minimum 6 m submersible copper conductor cable in single / double run and 2 pairs of suitable size erection clamp 10 mm thick shall be provided with each pump etc. complete in all respect as per specification, scope of work and direction of Engineer in Charge of following power rating, suitable for prescribed duty conditions mentioned in TD.

9.3 KW (12.5 HP)

Supply & Fixing of ISI marked three core PVC flat submersible cable as per IS 694:1990 or amended up to date and conductor as per class 5 of IS 8130:1980 including making connection etc.

3 core 6.0 Sq.mm

Supply & Fixing XLPE insulated / P.V.C. sheathed cable of 1.1 KV grade with aluminium conductor Armoured of IS:7098-I/1554-1 approved make in ground as per IS:1255 including excavation of 30cmx75cm size trench, 25 cm thick under layer of sand, second Class bricks covering, refilling earth, compaction of earth, making necessary connection, testing etc. as required of size. 16.0 Sq.mm, 3.5 core

Supply and Fixing of electric control feeder panel comprising of suitable rating MCCB , fully automatic star-delta starter, over load relay, ampere meter with CTs, volt meter, phase preventor, suitable starting capacitors, phase indicators, lighting arrangement etc complete suitable for three phase pump set. The panel should have space for energy meter ( supplied by DISCOM). All these equipments shall be housed by panel box made out from 18 guage M.S. Sheet with powder coating. Panel should be of minimum size 900 x 600 x 450 mm with Stand ( made of angle iron of size 35x35x5mm) duly bolted/screwed with enclosure box having 4 legs, each leg’s length 18" and double door including in built locking system. The legs should be embedded in M-15 cement concrete plat form.The size of CC plateform should be equal or bigger than the base size of panel having height of at least 200 mm from ground level. The panel should have opening of suitable size in front of space for energy meter with glass for meter reading. The operation of panel should be suitable for 440 Volt AC Supply.

Above 10HP and upto 15 HP

Providing and fixing double flanged ISI marked GI pipes (external works) with GI fittings excluding valves (IS:1239 mark) and MS clamps, as vertical pipes for RCC Reservoirs including specials required such as bend, tee etc. providing clamps at every 3 mtr, jointing materials such as nuts, bolt, rubber packing, hydraulic testing etc. complete in all respect up to and from valve chamber as per direction of EIC, Technical Specification and Scope of work. 80 mm.

Providing & Fixing of double flanged, CI body, ISI marked NRV of approved make of following sizes. 80mm dia

CIVIL WORK & BOUNDRY WALL

Construction of Pump house of required size suitable for installation of maximum 4 no. monoblock pump sets as per approved GA drawing, scope of work and technical specification complete work in all respect including electrical works for lighting and fans, rain water drainage. The plinth area of pump house shall be area of measurement.

Providing and fixing steel, gate, grating and grills made of angles, tees, square bars, flats or black pipe with hold fast and fitting complete as per design and drawing including cutting welding and fabrication with priming coat of red oxide and two coat of enamel paints.

RECHARGE STRUCTURE

E/W in excavation by mechanical means (hydraulic excavator/manual means over area (exceeding 30 cm in depth,1.5 mtr in width as well as 10 sqm on plan including disposal of excavated earth lead up to 1.5 mtr. Disposed earth earth to be leveled and neatly dressed all kind of soil

Construction of tube well from ground level & up to 100 mtr depth to accommodate housing and assembly pipe of following sizes in all type of alluvium strata unconsolidated formation such as pebbles, boulders etc. by percussion/rotary drilling method as per IS:2800 Part 1: 1991 and IS:2800 Part II: 1979 (both amended upto date) and technical specifications, with gravel as per IS:4097-1967 and it's packing as per IS: 2800 (Part I & II) 1979 as amended up to date (the work includes the cost of gravel & it's primary packing and packing during development, lowering of housing & strainer assembly pipes with supply and wrapping of coir-rope, wherever necessary for arresting fine sand particles and development work, but excluding the cost of housing and strainer pipe assembly). The work would be completed after obtaining sand free water.

Nominal bore 150mm dia

Supply of ERW M.S. black casing pipe ISI marked (IS: 4270/2001) or amended up to date of following sizes

150 mm dia NB(Thickness of pipe 5.0 mm & mass of tube 20.13 Kg/m).

Providing and fixing steel gate, grating , and grills made of angles, tees, square bars, flats,or black pipe with holdfast and fittings complete as per design and drawing including cutting welding and fabrication with priming coat of red oxide.

Brick masonry with F.P.S. bricks of class designation 75 in foundation and plinth with bricks in Cement mortar 1 : 4 (1 cement : 4 coarse sand).

Providing and fabricating reinforcement for R.C.C. work including straightening, cutting, bending, placing in position and binding (including cost of binding wire) all complete up to floor five level.hot rolled deformed bar (IS:1139).

Providing and laying in position specified grade of cement concrete for all RCC structural elements upto plinth level including curing, compaction, finishing with rendering in cement sand mortar 1:3 (1 cement: 3 coarse sand) and making good the joints and cost of plastizers( if required) excluding the cost of centering, shuttering and reinforcement. M20 grade Nominal Mix / Design Mix.

Supply & installation of GI pipe 32 mm medium class “B” with pipe sockets (heavy duty).

Providing and laying in position cement concrete including curing, compaction etc. complete in specified grade excluding the cost of centering and shuttering - All work up to plinth level. M15 grade Nominal Mix 1: 2: 4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20mm nominal size).

Supply & laying River-gravels of following sizes in recharge shaft, filter pit after screening & washing from kachha shift without deduction of voids

Size 9 to 12 mm

Size 3 to 5 mm

Supply & laying of clean, clear sharp river sand of size 1 to 2mm coarse, without deduction of voids.

FHTC WORK

Providing Household Tap Connection as per technical specification and approved drawing as per relevant IS code (amended up to date) from uPVC/DI/AC/MS/GI pipe line up to consumer meter/premises by using PVC/MS saddle piece (Complete job).This job includes digging out suitable size of pits and trench for laying service line in all kinds of soil (excluding road); depositing and refilling of pit & jhiri with watering & ramming /compacting in layers and disposal of surplus excavated soil as directed with in a lead of 100 meter ; providing & fixing of all fitting duly approved in accordance with specification for potable water including MS/PVC saddle piece, gunmetal ferrule 4.0 mm , GM Full-way Valve (IS:778 Mark) or wheel valve and specials, below ground level 20 mm nominal dia MDPE pipe PE 80 PN 16 as per ISO 4427 / 20 mm nominal dia PPR-C (Three layered) pipe PN16 SDR 7.4 (IS:15801:2008) (ISI mark) and above ground level using 20 mm dia PPR-C pipe with standard PPR fittings/ 15 mm dia GI pipe with fittings in the premises for fixing a tap / meter box (excluding) ,including accessories with flushing, cleaning, disinfecting and testing of pipe line complete required for making of service connection complete in all respect including labour charges . The service line should be laid at least 45 cm below ground level. Note: Road cut and restoration is not part of this item and paid seperately.

For connection with 20 mm dia MDPE/PPR-C pipe length up to 05 mtr.

P& F Bib cock (IS : 8931 mark), superior quality of approved make , brass 400 gm, 15 mm nominal bore.

Road cutting for house hold service connection in minimum trench width whereever road crossing is required. Road cutting of cement concrete,WBM, Black top etc. of all thickness shall be done by using a concrete cutter machine keeping minimum trench width and restoration of the road with Cement concrete with PCC M-10 and CC M-30 grade as per specification and direction of Engineer in charge..