Western Coalfields Limited Tender

Designing (aesthetically), and constructing RCC elevated service reservoirs Cost of 1,00,000 litres capacity Specification: 1. Type: Reinforcwed Cement Concrete (RCC) 2. Shape: Circular 3. Height: Approximately 12-15 meter (including the tank and staging), 4. Staging: RCC column staging with proper bracing and foundation. Number of colums: Minimum 6 (to be determined by deign). Column height: Based on site requirements., 5. Wall Thickness : RCC: Minimum 300 mm (including water-proofing), 6. foundation: RCC foundation designed to bear the load of the tank and water. Depth: As per soil test results. Type: Raft / pile/ foundation (based on structural requirements). 7. Painting: External: Weather-resistant paint. Internal: Food-grade safe waterproof coating. 8. Testing: Hydraulic test for water tightness before commissioning and soil test prior to foundation design

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work): 50 mm nominal bore.

Construction of cement concrete platform as per design around the hand pump in 1:2:4 cement concrete including excavation, centering, shuttering, cost of all the materials and labour and curing etc. complete. Including filling in 30 cm depth after removing Black cotton soil including ramming, watering etc. complete in areas of Black cotton soils.

Supply of I.S.I. marked G.I. casing pipe (Plain) medium class in 4 to 7 meters length one end fitted with socket as per 1.S. 1239 (Part-1 & Part-2) 2004/2011 with (Upto date amendments) 150mm dia

Add to Item No.-65, above for fixing the extra length of riser pipe assembly beyond 30 meters

Construction of 76 cm x 76 cm x 40 cm foundation block in 1:2:4 cement concrete for fixing the pedestal of Hand Pump including excavation, cost of material and labours etc. complete

Total impact of GST for the purpose of CTC

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end): 50 mm nominal bore.

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work): 80 mm nominal bore.

Drilling of perfectly vertical bore hole of a diameter suitable to receive 200 mm nominal diameter casing pipe upto desired depth below ground level inclusive of the labour charges for transporting, lowering and fixing of 200 mm nominal diameter M.S./G.I./U.P.V.C. casing pipe inside the bore hole including all works pertaining to drilling such as transportation, installation and removal of drilling machine etc. complete in all types of rocks.

ISI Mark 32mm dia G.I. riser pipe in 3 meter length socketed on one end as per I.S. 1239 (Part-1) 2004 upto-date amendments and socket as per I.S. 2062/1990 up-to date amendment.

Providing gravel packing with uniformly graded gravel as per I.S. 4097 of 2019 (revised up to date) in the annular space between outer wall of casing pipe assembly and inner wall of bore hole including cost of gravel, transportation, stacking, washing and packing in layers of suitable thickness including all lead and lifts complete.

Providing and fixing G.I. Union in G.I. pipe including cutting and threading the pipe and making long screws etc. complete (New work): 15 mm nominal bore.

Labour charges for installation of India Mark II Hand Pump with 30 meter long 32mm dia riser pipe assembly and all other accessories including transportation of Hand Pump from specified departmental stores to site.

Providing, installing and fixing GI pipe to submerssible pump in 50 mm dia nominal bore using required accessories.

Measurement of yield of tube well by operating hand pump continuously for four hours manually.

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. External work: 15 mm dia nominal bore.

Construction of 1.20 m x 1.20 m x 0.20 m cement concrete washing platform in cement concrete 1:2:4including excavation, centering, shuttering, cost of all the materials and labour and curing etc. complete. Including filling in 30 cm depth after removing Black cotton soil including ramming, watering etc. complete in areas of Black cotton soils.

Providing and fixing brass ferrule with C.I. mouth cover including boring and tapping the main: 15 mm nominal bore

ISI mark India mark-II deep well hand pump complete with 10 Nos. MS connecting rods, (12mm x 3M long) Normal stand assembly

Providing and fixing gun metal gate valve with C.I. wheel of approved quality (screwed end): 80 mm nominal bore.

Construction of cement concrete drain as per design in 1:2:4 cement concrete including excavation, centering, shuttering, cost of all the materials and labour and curing etc. complete. Including filling in 30 cm depth after removing Black cotton soil including ramming, watering etc. complete in areas of Black cotton soils.

Supplying and laying of submersible flat cable ISI marked 3 core copper wire of suitable size with proper clamping of approved make.4.0 Sq.mm multi strand

Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. External work: 50 mm dia nominal bore.

Supplying & Installation of Energy efficient five star BEE rating ISI Marked required capacity of Three Phase, 50 Hz, 415V, deep well submersible pump Steel body, suitable for 6" tube well with Control Panel Starter suitable for Submersible pump with dry run protection, single phase preventer, connections, including 3 mtr. submersible flat cable ISI marked 3 core copper wire, length equal to head of the pump at duty point + 3mtr. in single or double run (as per requirement of the set/control panel. The size of the cable should be so selected that voltage drop at motor terminal does not exceed the limit of the rated voltage) clamps, bore cap etc. as required as per specifications but excluding pipe, SS/ Nylon wire rope. 7.5 HP Head Mt. 129-52 Discharge LPM 60-270