Public Health Engineering Department Tender

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. . (PHED 2021/2.3.3)

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 .(PHED 2021/2.3.4)

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) (PHED 2021/2.11.2)

Labour charges for making slots on blank pipes made of ERW MS black pipe ISI marked of following sizes, the slotting should be as per IS:8110-1985 200 mm dia nominal bore. (PHED 2021/2.12.3)

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.(PHED 2021/2.23.3)

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. (PHED 2021/2.15)

9.3 KW (12.5 HP) & head above 120 mtr. (2.15.6)

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. (PHED 2021/2.19)

3 core 6.0 Sq.mm (2.19.2)

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, 4 core. (PHED 2021/2.20.2)

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. (PHED 2021/2.24)

50 mm dia (2.24.2)

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. (PHED 2021/2.13)

Providing & Fixing of double flanged, CI body, ISI marked NRV of approved make of following sizes 80mm Dia (PHED 2021/2.30.2)

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. (PHED 2021/2.32)

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 80 mm dia (PHED 2021/ 2.26.3)

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.. (PHED 2021/ 2.18)

above 10.0 HP and up to 15.0 HP (2.18.2)

Plate Earthing as per IS:3043 with G.I. Earth plate of size 600mm x 600mm x 6.0mm by embodying 3 to 4 mtr. below the ground level with 20 mm 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. (PHED 2021/2.21)

Providing & Fixing pump safety cage as per specifications or as directed by Engineer in charge. (PHED 2021/2.27)

Providing and fixing G.I. pipes complete with G.I.fittings including trenching and refilling etc. External work : 80 mm dia. nominal bore (RUIDP2017/34.12.8)

RISING, DISTRIBUTION PIPELINE, & CIVIL 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, commissioning 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 (PHED 2021/1.4.3)

90 mm dia (1.4.3.1)

110 mm dia (1.4.3.2)

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. (PHED 2021/1.1 )

200 mm (1.1.4 )

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. (RUIDP 2017/19.59)

60cm x 60cm x 75cm (depth) for 80/100/125/150 mm dia valve ( 19.59.1 )

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, commissioning 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-6 (PHED 2021/1.4.1)

75 mm dia ( 1.4.1.1 )

90 mm dia ( 1.4.1.2 )

110 mm dia ( 1.4.1.3 )

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 butt fusion/ 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, commissioning 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 of pipe shall be in straight length in 6/12 M.HDPE PE-80 PN-6 (PHED 2021/1.5.1)

125mm dia ( 1.5.1.1 )

140 mm dia ( 1.5.1.2 )

180mm dia ( 1.5.1.4 )

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 (PHED 2021/6.1.1)

125 mm HW (6.1.1.3 )

80 mm HW (6.1.1.1 )

100 mm HW (6.1.1.2 )

150 mm HW (6.1.1.4 )

200 mm HW (6.1.1.5 )

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 kinds of soil.(PHED 2021/4.1

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. (PHED 2021/4.5)

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) (PHED 2021/4.9)

80mm Thick (4.9.2)

Providing and laying in position cement concrete in specified grade over prepared base course complete including finishing, curing, 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. M20 grade Nominal Mix 1: 1.5: 3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size).(PHED 2021/4.8.1)

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. (PHED 2021/4.7)

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. 1:4:8 ( 1 cement : 4 coares sand : 8 graded stone aggregate 40mm nominal size) (PWD BSR 2019 / B-3/3.1.6)

Random Rubble stone masonry for with hard stone in foundation and plinth in Cement Sand mortar above 30 CM thick wall in:Cement Mortar 1:6 ( 1-Cement : 6-Sand). (PWD BSR 2019 /B-6.1.6)

Plaster on new surface on walls in cement sand mortar 1:4 including racking of joints etc. complete fine finish : (20 mm thick) (PWD BSR 2019 /B_12.2.2)

Rough Chisel dressed Kota stone 35 mm thick flooring of approved shade set in pattern over 20mm thick base of cement mortar 1:6 (1 cement : 6 coarse sand) and pointing with cement sand mortar 1:3 with pigment to match the shade of stone with joint thickness up to 15 mm complete in all respects : (PWD BSR 2019 /B-11/11.20)

S&F RCC Manholes covers with frame of approved make (Light duty) Size 600x600mm Double seal (PWD/2019/S-3/3.35.4)

Data entry of existing FHTCs in rural area under JJM on website ejalshakti.gov.in; work includes visiting the village for collecting basic data consumers like i.e. Aadhar no./ration card/voter ID/BPL card/ PAN card/driving licence/passport/Antyodaya card/mobile no. etc. and entering the details on the above website. The cost also includes computer and operator. (PHED 2021/9.30)

Providing and fixing of flanged/ plain ended MS Specials made from MS sheet strips of relevant IS specification of approved thickness by welding, lowering, laying, aligning, fixing in position at all level/ depths in trenches complete including all taxes, material, labour, inside lining, outside coating, testing and commissioning along with pipe line as per technical specifications and direction of Engineer-in-charge. MS pipe specials upto 600mm dia (with minimum 5mm thickness sheet) (PHED 2021/1.11.1 )

Providing Household Tap Connection as per technical specification and approved drawing and as per relevant IS code (amended up to date) from HDPE pipe line up to consumer meter/premises by using electro fusion saddle piece (Complete job).This job includes digging out suitable size of pits and trench for laying service line in all kinds of soil; 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 electrofusion 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) for and above ground level using 20 mm dia PPR-C pipe with standard PPR fittings/ 15 mm dia GI pipes with fittings in the premises for fixing a tap / meterbox (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. (PHED 2021/1.22 )

For connection with 20 mm dia MDPE/PPR-C pipe length up to 05 mtr. (1.22.1)

Add extra over item no 1.21 & 1.22 for providing 20 mm PE 80 PN 16 as per ISO 4427 MDPE pipe including excavation, providing, laying & jointing of service line above 5.00 mtr. (PHED 2021 / 1.26)

P& F Bib cock (IS : 8931 mark), superior quality of approved make , brss 400 gm, 15 mm nominal bore. (PHED 2021/1.23)

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. (PHED 2021/1.25)

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 (PWD BSR 2019/ B41-9.8.1)

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade: two or more coats on old work (PWD BSR 2019/ B73-12.48.1)

Lettering with black japan paint of approved brand and manufacture (PWD BSR 2019/ B76-12.64)

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.( PHED2021 /3.2 )

200KL capacity RCC OHSR,SBC 10 T/sqm, SEISMIC ZONE-IV & STAGING 18 M (3.2.6.3)

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. ( PHED2021/3.7 )

100 mm (3.7.1)

150 mm (3.7.2)

200 mm (3.7.3)

SITC of Bulk Flow Meter with removable mechanism class "B" confirming to ISO:4064:2005/ IS: 2373 of approved make of following dia sized pipelines and specifications complete: Media : Water (Clear ), Temp. 50 deg., Pr. rating: PN16, Protection type: IP- 68, Body Material : IS-210 Gr. FG-200, Accuracy Class :Class B (±2 % @ Nominal flow rate), Magnetic Drive, Dry Dial, Epoxy powder coated, Pulse out put option, Anti-magnetic protection including all materials and making connection with existing pipeline required for Bulk Flow Meter including cutting the existing pipeline etc. complete in all respect as per technical specification and as per direction of Engineer In-Charge. Note: Rates are exclusive of tail piece / dismantling joints and earth work. ( PHED 2021/11.3 )

BFM 200 mm

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 ( PWD2019/B1/1.6 )

Construction of Recharge Shaft in filter pit including Earth work Excavation , lifting excavted earth with all lift and 50 m lead and centering & shuttering evenever required. Diameter 900 mm Dia ( PWD2019/S4/4.24.1 )

Supply & fixing Pre cast RCC ring at mouth of recharge shaft of M20 mix with 40 mm thickness 900mm dia ( PWD2019/S4/4.25.1 )

Centering and Shuttering with plywood or steel sheets including strutting, propping bracing both ways and removal of formwork for foundation , footings, strap beam, raft , bases of columns etc. ( PWD2019/B-4 /4.9 )

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) ( PWD2019/B-4 /4.13.2 )

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 ( PWD2019/B-4 /4.1 )

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). ( PWD2019/S4/3.1.2 )

Supply & lying 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 ( PWD2019/S4/4.28.1 )

Size 3 to 5 mm ( PWD2019/S4/4.28.2 )

Supply & laying of clean, clear sharp river sand of size 1 to 2mm coarse, without deduction of voids. ( PWD2019/S4/4.29 )