Delhi Jal Board Tender

Earth work in excavation by mechanical means (Hydraulic excavator) /manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan), including dressing of sides and ramming of bottoms, for all lift including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

Providing leak proof rocka's in 150mm to 300mm dia running sewr line with earth filled in empty cement (PVC) bags including removal of the same after completion of the work.

Hire charges of pump set for pumping out water capacity @ 4000 litres/hour i/c cost of service of operating staff and supply of lubricanting oil complete as directed by Engineer in charge.(700+1%+15%+ GST +1%)

Desilting sewer line based on bucket system in running and under foul condition for depth not exceeding 1.5 mtr i/c removal of stone, brick bats, garbage, silt etc and staking the same on the bank of ewer manhole line at a distance upto 50myr from the center of sewer line as per CPWD specification complete and lift up to 1.5 mtr

Dismantling of old S.W. pipes including breaking of joints and bed concrete stacking of useful materials near the site within 50 m lead and disposal of unserviceable materials into municipal dumps :400 mm outer diameter

Providing and Supplying of class SN 8 structured wall Polyethylene Piping system (Pipe with online/offline coupler and elastomeric sealing ring) with non smooth external annular corrugated and smooth internal surface (double wall) for non - pressure underground sewerage and drainage application as confirm to IS 16098 (part 11): 2013 including GST, transportation , freight charges, inspection charges, loading, unloading, conveyance to the departmental stores/ location of site of work complete as specified and directed by Engineer In-Charge. 400 mm outer dia

Lowering, Laying and Jointing of class SN 8 structured wall (External Annular . Corrugated and Smooth Internal Surface Polyethylene Piping and fitting with the help of coupler(online/ offline) attached with one end of pipes, sliding over the elastomeric sealing rubber ring placed on the specified valley of the corrugation at the spigot end, lowering the same into the trench, laying on the lower bedding (constructed at bottom of trenches) at prescribed gradient, depth and alignment, testing the water tightness of the joints, ensuring the continuity tests of specified pipe segment etc. complete as per drawing, specification and detailed engineering, including cartage of pipes and fitting from site stacks to the place of laying etc. as per direction of Engineer-in-charge. 400 mm dia

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in plinth in Cement mortar 1:4 (1 cement : 4 coarse sand)

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level :1:5:10 (1 cement : 5 coarse sand (zone-III) derived from natural sources : 10 graded stone aggregate 40 mm nominal size derived from natural sources)

12 mm cement plaster 1:4 (1 cement : 4 coarse sand)

Neat cement punning.

Construction of brick masonry circular manhole 4'-00" internal dia (1.22m) at bottom and 1'-10" (0.56m) dia at top, depth upto IL 5'6""or 1.67 mtr.Built in brick work with extruded burnt sewer bricks (in FPS size) confirming to IS-4885-1988 in curved on plan in cement mortar 1:4 (1Cement : 4 Coarse sand) excluding excavation, but including 12" or (0.3m) thick foundation concrete 1:3:6 (1 Cement : 3 Coarse sand : 6 graded stone agg. 40 mm n/s) i/c fixing SFRC manhole cover and frame (Heavy duty) 560mm internal dia fixed in cement concrete 1:2:4 ( 1 Cement : 2 Coarse sand : 4 graded stone agg. 20 mm n/s) and 12mm thick cement plaster both inside and out side with cement mortar 1:4 (1Cement :4 Coarse sand) and inside plaster to be finished with a floating coat of neat cement. Making necessary channel in cement concrete 1:2:4 ( 1 Cement : 2 Coarse sand : 4 graded stone agg. 20 mm n/s) all complete as per departmental drawing and as directed by Engineer-In-Charge.

Extra per meter depth of 4'-0" dia or 1.22 m dia internal circular manhole beyond in 4'-0" or 1.22 m up to IL 7'6" or 2.28 m depth built in brickwork (in FPS size) with extruded burnt sewer brick confirming to IS 4885-1988 in curved in cement moratr 1:4 (1 cement : 4 Coarse sand) 12mm thick cement plaster both inside and out side with cement mortar 1:4 (1 cement :4 Coarse sand) and inside plaster to be finished with a floating coat of neat cement and all complete as per departmental drawings and as directed by Engineer-In-Charge.

Providing orange colour sefety foot rest of minimum 6 mm thick plastic encapsulated as per IS :10910 on 12 mm dia steel bar conforming to IS :1786 having minimum cross section as 23 mm x 25 mm and over all minimum length 263 mm and width as 165 mm with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projectioins on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture's permanent identification mark to be visible even after fixing,including fixing in manholes with 30 x 20 x 15 cm cement concrete block 1:3:6 (1 cement :3 coarse sand :6 graded stone aggregate 20 mm nominal size) complete as per design:

Supplying and stacking at site precast concrete manhole cover with steel fibre of ISI mark confirming to I.S.:12592 Part-I of EHD-35 with matching frame of class EHD-35 I.S. 12592 Part-II with 875 mm external dia and clear 560mm internal dia. 880 + 1% W/C +GST+15%+1%

Supplying and stacking at site precast concrete manhole cover with steel fibre of ISI mark confirming to I.S.:12592 Part-I of HD-20 with matching frame of class EHD-20 I.S. 12592 Part-II with 875 mm external dia and clear 560mm internal dia. 880 + 1% W/C +GST+15%+1%

Fixing of SFRC M/hole frame and cover, 560 mm dia HD-20/EHD-35

Making connection of drain or sewer line with existing manhole including breaking into and making good the walls,floors with cement concrete 1:2:4 mix (1 cement :2 coarse sand :4 graded stone aggregate 20 mm nominal size) cement plastered on both sides with cement mortar 1:3 (1 cement :3 coarse sand) finished with a floating coat of neat cement and making necessary channels for the drain etc.complete : For pipes 400 mm diameter

Repairing and shifting the existing house water connection i/c GI fittings such as elbow, nipples, sockets, unions etc. and complete in the all respect.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth: consolidating each deposited layer by ramming and watering, lead upto 50 m for all lift

Carriage of material by mechanical transport including loading, unloading and stacking: Building rubbish upto 10kms.

Providing and laying 75 mm thick compacted bed of dry brick aggregate of 40 mm thick nominal size including spreading, well ramming, consolidating and grouting with jamuna sand, including finishing smooth etc. complete as per direction of Engineer-in-charge.

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 (1 cement : 2 coarse sand (zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources)

Providing and laying C.C. pavement of mix M-25 with ready mixed concrete from batching plant. The ready mixed concrete shall be laid and finished with screed board vibrator , vacuum dewatering process and finally finished by floating, brooming with wire brush etc. complete and as per specifications and direction of Engineer in charge (The panel shuttering work shall be paid for separately). (Note:- Cement content considered in this item is @ 330 kg/cum. Excess/less cement used as per design mix is payable/ recoverable separately).

Carriage of material by mechanical transport including loading,unloading and stacking lead upto 5 km actual lead will be paid Manure or Sludge

Extra for laing brick work in or under foul position

Providing and supplying of UPVC pipes ( SN 8) of the following diametre as per IS 15328 ( ammended up to date ) including GST transportation ,freight charges , inspection charges , loading , unloading, conveyance to the departmental stores /location of site of work complete as specified and directed in charge . 1) 110 mm outer dia

Lowering, Laying and Jointing of PVC-U pipes by suitable adhesives, etc in trenches including testing of joints, etc complete as per drawing, specification and detailed engineering as per direction in charge , 1) 110 mm outer dia

Providing and fixing on wall face unplaticised PVC moulded fitting accessories for unplasticised rigid PVC rain water pipes confirming to IS 13592 Type A i/c jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thw thermal expanssion coupler 110