Improvement and Extension of water supply scheme Dalhousie Town In tehsil Dalahousie Distt Chamba HP Designing providing Installation testing commissioning operation and maintenance of metallic pontoon

Amount

Designing, manufacturing, transporting, providing and placing in position of a metallic pontoon suitable for accommodating 4 Nos of submersible pumps, having duty conditions of 182 m³/hr, Head 91.76 meters, motor of 100 HP/74.60 KW (2 working and 2 standby provided separately). The pontoon shall be approximately 8 meter long, 5 meters wide in size and depth of 1.0 meter. It shall be made up of MS conforming to IS: 2062 (2011) Grade E 250 material. All steel work shall be painted with approved primer and anti- corrosive paint to withstand harsh environmental conditions. The Pontoon shall be designed to work efficiently under worst seasonal water level fluctuations that is 35 m in Height with sufficient space for installation of panel board for pumping machinery along with storage space T&P etc including service wire upto the pumps as per requirements. The Pontoon shall be constructed aesthetically and well-ventilated with Pre painted steel sheet roofing mounted on steel trusses. The steel truss sahll be designed and shall consists minimum of vertical posts with a diameter (Ø) of 80mm and height (H) of 2.0 meters, spaced 2.25 meters center-to-center (c/c), and horizontal members with a diameter (Ø) of 80mm, inclined member and vertical member with diameter (Ø) of 40mm forming a triangular truss of MS conforming to IS:2062 (2011) Grade E 250 material including welding as per relevant specifications. The thickness of pre-painted sheet confirming to relevant IS code shall be minimum 0.63 mm or as per design. Including provision of flexible pipes as per design requirements sufficient to carry the designed discharge, of such length accommodating all seasonal variations, Floor of Pontoon shall have proper arrangement for drainage and accommodating various cables running from panel board to motors. All the associated works including connections from reservoir through inlet pipe, internal electrical wiring and necessary accessories like tube lights, exhaust fan, LED lamps, furniture for control room & sitting area etc. Pontoon shall include a 1-ton capacity chain pulley with a trolley, capable of lifting and placing of the submersible pumps in position, safety railings 40mm square pipe of Height 1.2m and length 1.80m. Submersible pump cages shall be made of SS conforming to IS, including floating metallic walkway as per site requirement & design requirements capable for handling drawdown of 35mtr to ensure smooth access to the pontoon all seasons & capable to accommodating side slopes of dam bank, 2.5m wide with safety railings 40 mm NB square pipe of Height 1.2m with minimum length of 15 metres or as per required at site to accommodate the drawdown and side slope conditions. It shall be constructed using MS conforming to IS:2062 (2011) material, an anti-skid surface, and an approved PU-coated finish. All ancillary works and accessories required to make the Intake system fully functional with all safety measure shall be included in the cost of work. Nothing extra shall be paid on this account. including anchoring and mooring at site with proper locking arrangement as per relevant specification within all leads and lift as per the direction of Engineer-In-Charge. including testing of the same at site with operation & maintenance for 3 months including training of staff for operation, maintainance and handling complete in all respects as per directions of Engineer in charge.

Anchoring and mooring system will adhere to related standards, incorporating 4 RCC (M30) anchors for pontoon and walkway of suitable weight and size as per direction, marine chains of minimum dia 18mm, and necessary bollards to ensure stability as required as per relevant specification.

A.R ENTERPRISES (BID ID -518086)