02/SE(P)/W and S/KMDA of 2022-2023

Amount

(CIVIL PART)

Designing, Drawing, providing and construction of a covered RCC underground Clear Water Reservoir over pile foundation in two compartments including inlet Control Valve Chamber and with two actuator operated butterfly valves of 500 mm dia, overflow pits cum dewatering chamber and two scouring pits, cowl vents including cost of deep Cast-in-Situ RCC Piles, earth work in excavation and filling with the excavated and good carried earth of approved quality as may be required, sand filling, shoring/ sheet piling, dewatering, cost of two numbers 500 mm dia butterfly valves, well point etc.- all complete as per specifications given in the tender documents (Volume-I) as per approved drawing and directions of EIC.

Designing drawing, providing and construction of a Pump House for 4 nos VT pumps and allied Buildings, Electrical Substation etc ( 2 transformer rooms, CESC/ WBSEB room ), including foundations, Rooms (Motor Control platform/ HT Forebay , Control room-cum-office, battery Charging space, lavatory etc.) and Spaces as per drawings and specifications, unloading bay, common Pump Sump, Stair Block, Doors, Rolling shutters, 2nos. Ornamental covered gate, Overhead water tank, Septic tank, addquate sanitary provision, Plumbing etc. including the cost of deep Cast-in-Situ RCC Piles, earth work in excavation and filling with the excavated and good carried earth of approved quality as may be required, sand filling, shoring/sheet pilling, dewatering, well point etc.- all complete as per specifications given in the tender document and as per approved drawings and directions of the EIC.

Designing drawing, fabrication, coating, wrapping and laying of 500 mm dia SWMS Main with supply and fixing of puddles, MS Blank Flange etc. all complete including earthwork in excavation and filling with the Excavated and good earth as may be required, Sand filling, Shoring/ Sheet pilling dewatering etc.- all complete as per tender document and as per approved drawing and directions of the EIC. This include also connection with 500 mm dia primary grid with inlet valves located inside the walled permises.

Design drawing, supplying and fixing in position the overflow arrangements of appropriate diameter, CI overflow Pipes at required locations including Specials, Puddle flanges etc. as per specifications given in the tender document and as per approved drawings and directions of EIC

Design drawing and laying and jointing of 600 mm dia, PSC/NP2 Overflow Drainage Pipes on 1:3:6 concrete bedding with necessary supply of rubber ring, MS Specials and MS Machine ends connecting the overflow pits and upto the existing drainage system of the area through interconnecting manhole chambers all complete including earth work in excavation and filling with the excavated and good carried earth of approved quality as may be required, sand filling, shoring/ sheet pilling, dewatering etc. complete as per specifications given in the tender document and as per approved drawings and direction of the EIC.

Design drawing, supplying and erecting CI Penstock Gates with all fittings comforming to IS Specifications and as per specification laid down in the tender document and as per directions of the EIC all complete. (a) 2 nos 650 mm (H) X 650 mm (W) in the partition wall of Clear Water Reservoir and Sump.

Design drawing, and construction of suitable arrangement for erecting in position an Electrically Operated Overhead Crane (EOT) suitable for inching operation of 05 MT Double Girder with two travels and two hoists (long, cross, main ) all electrically operated with provision for mechanical override, crane Rails, Girders, Chain Pully, Crane hook, Spring landed buffer etc. - all complete as per specification given in the tender document and as per approved drawings and directions of the EIC.

Site Clearance, dressing and levelling of the area before and after completion of works including dewatering and removal of shrubs/ bushes, if any, and development of the work site with good excavated earth of approved quality upto the formation Ground Level (RL + 101.15 m) as shown in Tender Drawing all complete as per Specifications and directions of the EIC.

Designing, Supplying , erecting and Commissioning 1(One) mechanical and 1(One) remote sensing Level Indicators at pump sump with arrangements of local mechanical and Remote Indicator with Electronic Digital Display and indicator scale (Both will be fitted in Pump House Wall).

Supplying, Fixing and Commissioning Lightening Arrestor on top of the Pump House Building & sub-station as per IE Rules/ IS Codes.

Construction of catwalk with chequered plate for inspection and maitenace of pump motor connecting shaft, gland packing valves, actuators etc. including construction of valve pedestals, thrust block, and providing insert arrangements as per requirement of pump & motor manufacturers complete to the satisfaction of the EIC.

Design, drawing and construction of cable trenches of dimensions not less than 750 mm X 600 mm (D X W) with MS insert plates of size 100 X 750 X 12 (W X D X T) on the wall side of cable trench @ 600 mm along. The cable trenches have to be covered with precast concrete slabs 650 X 600 with thickness suitable to withstand 500 Kg / m2 load and / or 18 MT wheel load and as detailed in the specifications and as per direction of the EIC

Design, drawing and construction of bituminous approach road of width not less than 4 m or as per available space of necessary length as required by the EIC over 0.3 m consolidated WBM road, 1.5 metre wide apron of 75 mm thick over 1:3:6 PCC and 4 m wide internal road with paver blocks of necessary length as required by EIC as per the specification of the NIT all around the UGR and Pump House building & Sub-station building as per drawing approved by EIC.

Construction of a decorative mural work of an appropriate theme as approved by the EIC of not less than 200 sq.m on the front elevation of the pump house.

Design, drawing and construction of storm water surface drain along the aprons as well as whenever required to cater to the storm drainage of the entire area including the overflow water from the UGR as per specification given in the NIT and as per drawing approved by EIC.

R.C.C approach road of width 4.0m & length 128 m (approx.) has to be constructed to make access to the proposed UGR as shown in the tender drawing. Necessary dewatering, back filling with silver sand and earthen bundh has to be provided to construct R.C.C retaining wall to protect the approach and the UGR itself as the site of UGR located near the phoolpukur.

Design, drawing and construction of RCC Retaining wall cum boundary wall as per tender drawingl including necessary finishing and painting works with barbed wire fencing over the same to provide additional height of 0.6 m and one MS/CI gates of appropriate width including providing one curved glow-signboard on each gate as approved drawing all complete to the satisfaction of the EIC as specified in the NIT.

S.G. CONSTRUCTION

STANDARD ENGINEERS