NIT No-25 EE (SDW) II/ (22-23) Item No. 01

Supply of MS 600mm dia of 6.3 meter length, special-made out of 8mm thick- MS Barrel painting both sides with black anticorrosive bituminous paint of approved brand. Materials supply at site complete as directed by Engineer-in-Charge.

Supply of MS special-made out of 12mm thick- MS Socket & Spigot painting both sides with black anticorrosive bituminous paint of approved brand. Materials supply at site complete as directed by Engineer-in-Charge. Socket 655 mm and Spigot 625mm nominal dia (clear Internal dia.) specials of 12mm thickness (min.)

Hiring of Hydraulic Excavator (3D) with driver and fuel include cost of service of operating staff and supply of lubricating oil. (DSR-21 -0020 Excluding GST)

Excavation work of Hard Rock by mechanical means (Hydraulic excavator)/ manual means in foundation trenches or drains, including dressing of sides and ramming of bottoms, lift upto 1.5 m, including getting out the excavated soil and disposal of surplus excavated soils as directed, within a lead of 50 m. DSR 2.9.3

Hiring of DG Set of 62KVA with fuel, operator and transportation for the welding work and other works as required at site. (DJB Planning rates)

Dewatering of rising main by submersible pump set of suitable capacity at site of work as per site requirement excluding GST (14.23 DSR-21)

Safety arrangement like Air Face Mask, Air Line, Helmet, Gum Boots, Hand Gloves, Safety Belts, Portable Ladder, First Aid Box, Caution Tape, Barrier Cone, Litmus Paper, Torch, etc arranged by the firm at site of work for safe working as required for sewage work

Lighting arrangement at site of work for safe working men and materials as per site requirement.

Providing 150 mm dia CI kinetic Air Valve, IS 14845, PN 1.0, flanged end connection, Make: KBL/IVC/any DJB approved

Providing 150 mm dia CI Sluice Valve, Non rising spindle, double flanged, IS 14846, PN 1.0, Make: KBL/IVC/Jupiter/DJB approved

Fabrication and supply of flanges for 600 mm dia clear internal dia MS pipe at site of work of 25 mm thickness minimum

Hiring of long boom crane including charges of operator, fuel etc

Providing and laying in position cement concrete of specified grade excluding the cost of centring 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 ) (DSR 16.42)

Replacement of 600 mm dia damaged Gap piece (03 Nos) and fixing of MS gap piece, sockets and spigots (04 sets) and flanges and making of 600 mm dia joint for CI-MS pipe and filling the joints with spun yarn, lead, special chemical etc as per site requirement with the help of all labour like Fitter, Cutter, Welder, Helper, Beldar, Supervisor, Electrician and Chowkidar and material like Welding Machine, Cutter Set i/c Oxygen, LPG set etc, and Welding Rod, T&P along with its Transportation i/c loading unloading complete at site of work. The work also includes transportation, loading and unloading of 600 mm dia damaged gap piece to old material store of Batla House SPS

Testing and commissioning of rising main on full pressure and as per satisfaction of Engineer In-charge.

Ajay Prakash Mishra