Rejuvenation of existing open wells near P.N Pudur Corporation High Secondary Sschool VOC Nagar kovilmedu and Construction of RWH Structure in Ward No.42 West Zone

Clearing of bushes, grass, and undergrowth around and inside the open well area including uprooting of vegetation and disposal of the same up to a lead of 50 meters, complete as directed by the Engineer-in-Charge.

For Removing Thick Bushes In Well Providing and fixing double scaffolding system (cup lock type) on the exterior side of building/structure, including additional rows of scaffolding in a stepped manner as per requirement of site, made with 40 mm dia M.S. tube, placed 1.5 metre centre to centre, horizontal and vertical tubes joint with cup and lock system with M.S. tubes, M.S. tube challis, M.S. clamps and staircase system in the scaffolding for working platform etc., and maintaining it in a serviceable condition for execution of work of cleaning and/or pointing and/or applying chemical and removing it thereafter. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc., wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge.

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) [CCMC DSR, Item No.-1,a]

Random rubble masonry in cement motor 1:5 (one Part of cement, Five part of Crushed Stone Sand (M- Sand)) mix using all granite stones and bond stones for foundation and basement from approved quarry including watering, curing, and labour charges etc., completed as per standard specification

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

Pointing Random Rubble masonry with Cement Mortar1:3 (One Part of Cement and Three Part of Palstering Sand (P- Sand)) to flush pointing , curing etc complete - 10 sqm S.I.327

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)

Painting old/new iron work over well ( grills, weldmesh sceens etc) , two coats over one coat of primer

Construction of underground filter having size- 1mx1m. 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]

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

Lettering on Masonary surface of well or other surface with dusting, cleaning, Prepering base, providing primer coat & two coat of synthetic enamel paint, as directed by engineer incharge.

Supply of 2 core 4 sq.mm Aluminium conductor PVC insulated LTUG cable

Panel board (for 7.5hp Motor)

Supplying and erecting 525 V 3 phase, 50 Hz., APP type capacitor having minimum overcurrent capacity of 1.8 In, peak inrush current capacity 300 In and minimum life 150000 hours kVAr bank of all polypropylene condensers (APP) with the standard capacities of 2, 3, 5, 7, 10, 12.5 and 15 kVAr units of P.F. correction for operation on 3 phase 50 Hz. with externally discharging resistances, earthing terminals and built on angle iron or channel iron frame work and provided with terminal cover box complete erected on provided iron bracket or on floor duly tested by licensee.

( 7.5HP-5.5KVAR )

Maintenance of 7.5 hp pump including servicing and maintenance of key items such as; Lubrication, bearing, Seals & Gasket, Impeller, Valves, Piping, Electrical components, performance monitoring, Cleaning etc.

Maintenance for 3 Years

For First year

For Second year

For Third year