Construction of Piezometers (Tube Wells) -200 (Two hundred) nos with Platform and Protection Box under NHP

Amount

Labour Components- Labour for drilling of perfectly vertical bore hole of 216 mm diameter below ground level as per the requirement through unconsolidated formation with direct circulation, Mud rotary as required to suit the site condition as per the direction of Engineer-in-Charge including use of own rigs with its accessories, tools and plants and consumables etc. for lowering of 150 mm dia PVC pipes for housing fitted with socket and with well screen as per necessity for saline & sweet medium (30Mtr Depth(150Nos) For non-saline Zone & 50Mtr depth (50 Nos)for saline Zone)

Lowering the following PVC casing pipe with slotted pipes as per necessity from ground level and fitted and fixed up perfectly in vertical position including cutting and threading and supplying all jointing materials i.e., Tools and plants etc. complete and keeping the top of the casing wall to prevent the entry of the foreign materials from above and packing gravel around the casing in the annular space as per the direction of the Engineer-in-Charge.

Cleaning and development the Tube Well using Air Compressor continuously till clear and adequate discharge is obtained including supply and use of all necessary equipment and labour complete as per the direction of Engineer-in-Charge

Labour for site clearance, excavation of mud pit, settling pit, fluid channel slotting charges and transportation of materials to the site

PVC(ASTM Schedule 80) casing pipe of reputed make as per IS:1785/0 4.

PVC(ASTM Schedule 80) casing pipe of reputed make as per IS:1785/0 4. with V screen slotting including labour, cost of materials etc.all complete

Graded and washed gravel of 'B' grade below the cement sealing only for installation of Tube wells in saline area & full gravel packing for Tube wells in sweet zone area (9 Cum For 50 nos & 81 Cum For 150 Nos)

150 mm dia PVC (C.S) Cone

150 MM dia PVC (C.S.) End Cap

Labour for cement saline sealing as required in the bore around the 150 MM dia PVC casing pipe etc.in saline tube well site (Labour Charges etc. all complete

EW in excavation in stony earth & gravel mixed with stone boulder not exceeding 0.014cum in volume within 50m initial lead & 1.5m initial lift including rough dressing & breaking clods max.5cm to 7cm & laying in layer not exceeding 0.3mtr in depth as per specifications approved by the department

Filling the F&P with sand well-watered & rammed

Cement Concrete (1:3:6) with 40mm size hard granite metals

Rigid & smooth centering & shuttering for RCC works including false works & dismantling then after casting including cost of materials complete in ground floor

CC(1:2:4) with 12mm size hard granite crusher broken chips

Fitting of chequred tiles on floor on 25mm thick bed of cement mortar (1:1) jointed with neat cement slurry mixed with pigment to match the shades of the tiles including rubbing & polishing complete

Supplying & fitting new protection Box of size (0.75X0.75X0.95/0.90m) including fabrication, Priming, Painting etc. Complete (As approved by the Department)

PRB Infraprojects Pvt.Ltd

B.K.ENTERPRISE

AJAY INFRA AND CONSTRUCTION PVT LTD