Annual Plan-DPK 102/2026-Erumeli Division Koruthodu GP Kombukuthy Chennapparathazhe Drinking Water Project-General Civil Work(Retender)

Maintenance

22.5:Providing and laying water proofing treatment in sunken portion of WCs, bathroom etc., by applying cement slurry mixed with water proofing cement compound consisting of applying : a) First layer of slurry of cement @ 0.488 kg/sqm mixed with water proofing cement compound @ 0.253 kg/sqm. This layer will be allowed to air cure for 4 hours. b) Second layer of slurry of cement @ 0.242 kg /sqm mixed with water proofing cement compound @ 0.126 kg/ sqm. This layer will be allowed to air cure for 4 hours followed with water curing for 48 hours. The rate includes preparation of surface, treatment and sealing of all joints, corners, junctions of pipes and masonry with polymer mixed slurry.

2.10.1.1:Excavating trenches of required width for pipes, cables, etc including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 m, including getting out the excavated soil. and then returning the soil as required, in layers not exceeding 20 cm in depth, including consolidating each deposited layer by ramming, watering, etc. and disposing of surplus excavated soil as directed, within a lead of 50 m: All kinds of soilPipes, cables etc, not exceeding 80 mm dia

15.9.1:Demolishing stone rubble masonry manually / by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer -in- Charges:In Lime Mortar

15.56:Dismantling old plaster or skirting raking out joints and cleaning the surface for plaster including disposal of rubbish to the dumping ground within 50 metres lead.

5.1.2:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:1:5:3 (1 cement 1.5 coarse sand :3 graded stone aggregate 20 mm nominal size derived from natural sources)

5.22.6:Steel reinforcement for R.C.C work including straightening, cutting, bending, placing in position and binding all complete upto plinth levelThermo - Mechanically Treated bars of grade Fe-500D or more

OD277057/2025-2026:Providing and fixing precoated galvanised iron profile sheets (size, shape and pitch ofcorrugation as approved by Engineer-in-charge) 0.35 mm (+0.05%), total coatedthickness with zinc coating 120 grams per sqm as per IS: 277, in 240 mpa steel grade, 5-7 microns epoxy primer on both side. of the sheet and polyester top coat 15-18 microns.Sheet should have protective guard film of 25 microns minimum to avoid scratchesduring transportation and should be supplied in single length upto 12 metre or as desiredby Engineer-in-charge. The sheet shall be fixed using self drilling/self tapping screws ofsize (5.5x55mm) with EPDM seal, complete upto any pitch in horizontal/ vertical orcurved surfaces, excluding the cost of purlins, rafters and trusses and including cutting tosize and shape wherever required. Details of cost for 216.14sqm External dimension of plinth) Area of roof 20.2x10.70m=216.14sqm Sheets Used = 20Nos x 10.70m x 1.06m = 226.84sqm add 3% wastage = 6.81 Total = 233.65sqm

OD277058/2025-2026:DOWEL BARS - Supplying and providing MS dowel bars of size 16 mm dia of 0.9m long (0.30 m in rock and 0.60 m in concrete) including drilling holes of 20mm dia to a depth of 1m in rock and filling the gap with cement grout( 0.10kg/each) etc complete.

5.1.3:Providing and laying in position specified grade of reinforced cement concrete, excluding the cost of centering, shuttering, finishing and reinforcement - All work up to plinth level:1:2:4 ( 1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

5.9.2:Centering and shuttering including strutting, etc. and removal of form for:Walls (any thickness) including attached pilasters, butteresses, plinth and string courses etc.

4.1.3:Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level:1:2:4 (cement : 2 coarse sand (zone-III)derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

50.10.2:Steel work for purlin/single section with G I pipes including cutting, hoisting, fixing in position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete

OD277471/2025-2026:Supplying and fixing 75 mm dia 10 kg/cm2 HDPE pipe including specials and all fitting charges but excluding trenching and refilling etc complete.

OD277490/2025-2026:Supplying and fixing 63 mm dia 10 kg/cm2 HDPE pipe including specials and all fitting charges but excluding trenching and refilling etc complete.

OD277492/2025-2026:Supplying and fixing 25 mm dia 10 kg/cm2 HDPE pipe including specials and all fitting charges but excluding trenching and refilling etc complete

18.19.4.1:Providing and fixing gun metal non-return valve of approved quality (screwed end): 50 mm nominal boreHorizontal

OD288185/2025-2026:Supplying and erecting in position to lines and levels MR C.C Rings 150cm outer dia,10cm thickness,30cm height , including the cost of conveying, handling and lowering , C.C ring joining with cement mortar etc.as per direction of Engineering in staff. Details of cost - Market rate C.C ring 150mm dia,10mm thick and 30cm height.

OD288226/2025-2026:Filling with 20mm metal, sand charcoal back filling at surrounding the C.C Ring etc as per direction of Engineering in staff Details of cost for 1m3

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