Delhi Jal Board Tender

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

Providing orange colour safety 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 mmx25 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 projections 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.

Hiring charge of pump set for Pumping out water 4000Ltr. Per hours capacity for a working period of 8 hours per day including cost of pumps labour and fuel and watch and ward etc. complete as directed by Engineer-in-charge.

Providing,and supplying of class SN-8 structured wall polyethylene piping system (pipe With online/offliline 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 per IS 16098 (Part-II) 2013 including all local and central taxes,transportation,freight cahrges, octroi inspection charges,loading,unloading,conveyance to the departmental stores/the locations of the work. 300mm internal diameter

Lowering,laying & jointing of class SN-8 Strutured wall (external annular corrugated and smooth internal surfaces ) Polythelene piping and fitting with the help of coupler (online/offliline) attached with one end of pipes ,sliding over the elastometric 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 testsof specified pipe segment etc.complete as per drawing ,specification and detailed engineering ,including carriage of pipes and fitting from sie stacks to the placeof laying etc.,a per direction of engineer -in-charge.300mm internal diameter

Desilting of sewer line based on bucket system in running and under foul condition fo depth not exceeding 1.50 mtr. including removal of stone brick bats, Garbage, Silt etc. and stacking the same on the bank of sewer manhole line at a distance upto 50 mtr. from centre of sewer line as per CPWD specifications.Complete and lift upto 1.50 mtr.

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

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

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

Extra for laying brick work in or under foul condition

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

Neat cement punning

15 mm cement plaster on rough side of single or half brick wall of mix: 1:4 (1 cement: 4 coarse sand)

Providing and Supplying of UPVC pipes (SN-8) of the following diameters as per IS 15325 (amended up to date) including GST, transportation, freight charges, inspection charges, loading, unloading, conveyance to the departmental store / location of site of work complete as per specified and directed by Engineer-in-charge. 110mm diameter

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 of Engineer-In-Charge. 110mm diameter

Construction brick masonry circular manhole 3'00" internal dia. (0.91m) at bottom and 1'10" (0.56m) dia. at top depth up to 3 ft. or 0.91m. Built in brick work with extruded burnt sewer bricks conforming to IS-4885-1988 in curved on plan in cement mortar 1:4 (1 cement: 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 aggregate 40mm nominal size) including 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 aggregate 20mm nominal size ) and 12mm thick plaster both inside and outside with cement mortar 1:4 (1 cement: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 aggregate 20mm nominal size) All complete as departmental drawing and as directed by Engineer-in-Charge. NOTE: 1. Cement required 2.68 Qtl/Each 2. Cost of manhole frame and cover shall be paid separately.

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and lift upto 1.5 m.

Carrige of material by mechanical transport i/c loadind,unloading, and stacking lead upto 5 Km. Building Rubbish

Providing leak proof Roka in 150 mm dia to 300 mm dia running sewer line with earth filledin empty cement (PVC) bags i/c removal of the same after complition of work.

Supply and Stacking at site precast concrete manhole cover with steel fiber of ISI mark conferming to IS 12592 part 1 of HD-20 with matching frame of class HD-20, IS 12592 part II with 875 mm external dia and clear 560 mm internal dia.

Fixing of SFRC manhole covered and frame,560mm dia HD-20

Repairing & Shifting the house water connection i/c G.I. Fittings such as elbow, nipples, sockets, unions, etc. and complete in all respect.

Providing and laying 75 mm thick compacted bed of dry brick aggregate of40 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) : 4 graded stone aggregate 20 mm nominal size)