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, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m. All kinds of soil.

Extra for every additional lift of 1.5 m or part there of in excavation/ banking excavated or stacked materials : All kind of soil.

Supplying and filling in plinth with Jamuna sand under floors, including watering, ramming, consolidating and dressing complete.

Providing and supplying of class SN 8 structured wall Polyethylene piping systems (Pipe with online/ofline coupler and elastometric sealing ring) with non-smooth external annular corrugated and Smooth Internal Surfaces (double wall) for non-pressure under ground sewerage and drainage application as confirm to IS 16098(Part-II):2013 including GST, transortation, frieght charges, inspection charges, site of work loading, unloading, conveyance to the deartmental stores/ the locations of site of work complete as specified and directed by Engineer-in Charge. 250 mm Internal Diameter

Lowering,Laying and Jointing of class SN 8 structure wall (External Annular Corrugated & Smooth Internal Surface) Polyethelene 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 lowering 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 segments etc complete as per drawing, specifications & detailed engineering, including carriage of pipes & fitting from site stacks to the place of laying etc as per direction of Engineer-In-Charge. Inner Diameter 250 mm and Outer Diameter 295 mm.

Construction of brick masonry circular manhole 3'-00" internal dia (0.91m) at bottom and 1'-10" (0.56m) dia at top, depth upto IL 3'0"or 0.91 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 9" or (0.23m) 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 mtr. Depth of 3’-0” or 0.91 m circular manhole built in brick with extruded burnt sewer bricks confirming IS 4885-1988. curved in c.m 1:4 (1c:4 c.s) 12mm thick both inside and outside with c.m 1:4 (1c.:4 c.s) and inside plaster to be finished with a floating coat of neat cement and all complete as per departmental drawings and as directed by the Engg.-in-charge. Note : Cost of pdg. And fixing of footrest will be paid seprately

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 HD-20 I.S. 12592 Part-II with 875 mm external dia and clear 560mm internal dia. 880 + 1% W/C +GST+15%+1%

Providing orange colour safety foot rest of min 6 mmthick plastic encapsulated as per IS 1786 having minimum cross section as 23x25 and cover over all min length 263 mm and width as 165 mm with min 112mm space between protruded legs having 12mm tread on top, surface by ribbing or chequering besides necessary and adequate anchoring projection 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 30x20x15 cm cement concrete block 1:3:6 (1 cement : 3 coarse sand : 6 graded stone aggregate 20 mm nominal size) complete as per design

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.

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 :100 mm diameter

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 :150 mm diameter

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 :250 mm diameter

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 250 to 300 mm diameter

Providing, laying and jointing glazed stoneware pipes class SP-1 with stiff mixture of cement mortar in the proportion of 1:1 (1 cement : 1 fine sand) including testing of joints etc. complete :100 mm diameter

Providing, laying and jointing glazed stoneware pipes class SP-1 with stiff mixture of cement mortar in the proportion of 1:1 (1 cement : 1 fine sand) including testing of joints etc. complete :150 mm diameter

Providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size) up to haunches of S.W. pipes including bed concrete as per standard design :100 mm diameter S.W. pipe

Providing and laying cement concrete 1:5:10 (1 cement : 5 coarse sand : 10 graded stone aggregate 40 mm nominal size) up to haunches of S.W. pipes including bed concrete as per standard design :150 mm diameter S.W. pipe

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%)

Demolishing brick work manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. In cement mortar

Extra for laying brick work in or under foul position

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

Carrige of material by mechanical transport i/c loadind,unloading, and stacking lead upto 5 Km. Mannure or Sludge

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 and lift upto 1.5 m .

Carrige of material by mechanical transport i/c loadind,unloading, and stacking lead upto 5 Km actual lead will be paidlime. Moorum, building rubish

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 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).

Deduct for using of M-20 grade concrete instead of M-25 grade concrete in C.C. pavement

Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i) Single socketed pipes. 110mm dia. Meter