Cleaning and removal of loose earth, sand, clay and silt including palasiding and sand bag filling at Alternative intake well Pump house of SWTP (0.72 MGD Capacity) Garadtilla, Kamalpur under DWS Division Kamalpur during the year 2025-26

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30cm in depth, 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead upto 50m and lift upto 1.5m, disposed earth to be levelled and neatly dressed. All kinds of soil

Single bamboo palasiding/walling of whole 2nd class bamboo (Jati or Bethua) 65 to 75 mm dia and closely packed & driven @ 150 mm c/c including fitting fixing with half bamboo kamis horizontally in three rows with cane or tying with wire complete and struts 1.5 m apart longitudinally and providing bitumen drum sheet walling fixed with nails as per drawing and MoRD technical specification Clause 1302.5.

B) Driven at least 900 mm below ground and 900 mm above ground on average

Providing and placing gunny/ polythene (of minimum wall thickness of 500 micron) bags filled with sand (of minmum qty of 0.034 cum) and properly manually stitched to avoid any leakage of sand as per specification.

Charges for fixing C.I. sluice valves with cap complete with bolts, nuts, rubber insertions etc. ( the tail pieces if required will be paid separately ) as per CPWD specification and direction of the Engineer - in - charge. X) 350 mm dia. A) PN - 1.6

Labour charge for fitting, fixing of gland rope in CI sluice valve of various dia(80 mm dia to 250 mm dia.) as per direction of Engineer-in Charge. (Including the cost of gland rope. Grease, nuts and bolts etc)

Providing earthing with perforated 40 mm dia G.I. pipe (Medium class) ( 12 mm dia perforation ) , laying of 4 mm dia GI wire from earth electrode to panel, including excavating hole of 600 mm dia and refilling with Salt and Charcoal / coke in alternate layers of 300 mm , as per standard specification and direction of the Engineer-incharge.

II) for 3-phase connection with 4.00 mtr. Long G.I. pipe

Providing and fitting fixing of Fully Automatic Star Delta type Motor starter ( 3 ph. 50 Hz, 415V, in Steel Sheet Enclosures with Contractors and Timer etc. complete suitable for submersible Pump L & T, BCH, ABB make as per specification and direction of the Engineer-in-charge.

50 HP/37 kw Relay range within 28-42 + 10%

Providing and fitting fixing steel sheet enclosed switch fuse unit (suitable for DIN fuses), triple pole with Neutral Link (TPN), 415/500 Volt, L & T / Havells / BCH make etc. complete as per specification and direction of the Engineerin- charge.

iii) 100 amps

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