Rejuvenation of Existing Openwell and Providing Rain Water Harvesting Structure Arrangements at Railway Gate in Ward No.100, South Zone

ORDINARY SOIL (SS20B) Earth work excavating and depositing on bank with initial lead of 10m & initial lift of 2m in Sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil including excavated earth (SS20B)

Excavation for PVC pipes (Structures to Well)

Dewatering using 3HP to 70HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.

Construction of underground filter having size- 2mx2m. Inside with 230mm thick brick masonry, with inside-outside plaster, bed concrete and coping in M-15 Grade including filling filter sand (of size 1mm to 2mm) 500mm thick over garvel (of size 5 to 10mm) 500mm thick over Boulder (of size 5 to 20mm) 500mm thick with all labour material etc. complete.

Construction of underground Chamber having size- 0.60mx0.60m inside with 230mm thick brick masonry, with inside-outside plaster, bed concrete and coping in M-15 Grade including excavation and necessary labour and material etc. complete.

Providing and fixing M.S Ladder 600mm wide, with vertical angle 65x65x6, Horizontal 16mm Dia. MS Bar @ 300mm C/c with 50x50x6 MS angle support @ 3000mm C/c with necessasry painting and fixing in Concrete block etc. complete. [WD-M1472]

Random Rubble masonry in Cement mortar 1:6 mix using Hard Granite Stones for 10 m3

Pointing with random rubble masonry in cement mortar 1:3 mix, including saffolding and curing etc. complete.

Plain Cement Concrete 1:2:4 (M-15) (one cement, two fine aggregates and four coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

Painting two coats of newly plastered wall surface with ready mixed Cement paint of first quality and of approved colour over apriming coat including preparing the surface, clean removal of dirt and including necessary plaster of paris putty wherever required etc., complete complying with standard specification. (Sl.No.395)

Supplying Mild Steel Grills over the open well including painting etc. complete.

Fixing in position mild steel grills for windows, ventilators, etc.

Supplying PVC Pipes for rainwater harvesting [working pressure: 4kg/Sq.cm] (M0873) PWD DSR Pg. No. 146 (2024-25)

160mm Dia

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. (11-b-i) WD DSR , Pg. No.171 (2024-25)

160mm Dia

Supplying laying and jointing G.I. Pipes of approved quality and best varity of B Class pipe of the following sizes including fixing G.I specials but excluding cost of such specials cutting threading of pipes and fixing to wall with necessary teak wood plugs, clamps and screws masking holes on the wall or drilling holes in roof and making good the dismandled portions to original conditions with necessary brick work and concrete and plastering where ever necessary with necessary scafolding charges. The pipes are to be painted with two coats of good variety and best approved quality of synthetic enamel paint over a priming coat of red-oxide primer etc.,

Lettering on Masonary or on board with dusting, cleaning, Prepering base, including cost of paint etc.