Drilling Of New Borewell

Amount

Geophysical Investigation charges including preparation of geophysical report as per TWAD Board type circular including all cost of transportation and handling charges etc.,complete

Drilling 150 mm Dia bore well in Hard rock areas anywhere in the state inculding transportation to site of work in hardrock areas inculding labour charges for insertion of MS casing pipe and flushing of borewell and for minutes. ( As per MD TWAD Board Chennai Letter No : F.251112/Drilling rate/A[4]/COM/2021, Dated:27/4/2022 ) 0m to 150m

Supply and delivery of 200mm OD 6KSC PVC casing pipe for bore well with best approved quality conforming to ISS including all cost and convayance of material to site and labour charges for errection of pipe to the borewell etc., complete.

Supplying and fixing in position of the following PVC / G.I pipes and specials best approved quality conforming to ISS and providing leak proof joint with PVC adhesive etc., complete complying with standard specification. 5.00 Hp Submersible motor 50 LPM x 75m Head

3.00 Hp Pannel Board

2.50 sqmm 3core copper cable

50mm UPVC Pipe

63mm PVC Pipe 6kg

2000 Lit HDPE tank

Kisok box

160mm PVC Borewell Dummy

Borewell pipe MS Clamp

Earthwork excavation in all soils and sub soils except hard rock not requiring blasting with initial lead and lift including re-filling the sides of foundation in layer of 15 cm thick watering , ramming ,depositing the surplus earth in the premises as directed by departmental officers etc., complete as per standard specification. as per SS 20 B TNDSS NO: 23&24VI (S2), VII 9,10

Lowering PVC rigid/ HDPE pipes and specials to trench and laying to proper grade and alignment jointing with PVC couplers with cement paste and testing to the required pressure including conveyance of water for filling during testing etc.,Complete

Refilling with excavated earth after laying the pipes into the trenches well rammed and compacted the surplus earth over the pipeline trench including leveling the site complete complying with standard specifications including all labour charges etc., Complete as per Standard Specifications.

Plain Cement Concrete of mix 1 : 4 : 8 (One part Cement, four part sand & eight part of aggregates) using 40mm gauge hard broken metal from approved quarry including all cost, conveyance of materials to site with proper mixing, compacting, finishing and curing etc., complete as per standard specification. TNDSS NO: 28 V, VI (S2) V,VI (S5A) VII

Supplying and errecting centering for Sides and Soffits including necessary supports and strutting upto3.29mt height for plane surfaces as detailed below in all floors with all cross bracings using mild steel sheets of size 90mm x60mm and 10BG stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding, laid over silver oak joists of size 10cm x 6.5cm spaced at about 90cm centre to centre and supported by casurina props of 10cm to 13cm dia supported at not more than 75cm centre to centre etc complete Complying with standard Specification without Strutting.TNSS NO or NBC No 30(S) 86 86 A V, VI(S3)VII For HDPE Tank Footing

For HDPE Tank Column

For Roof Beam & Slab

Supplying and fabrication of TMT steel rods including cutting, cranking fabricating assembling laying in exact position tying with soft steel wire 16 or 18 BWG etc., complete for all RCC works as per the design given including cost of steel and binding wire also in all floors as per standard specification.

Reinforced Cement Concrete 1:1½:3 Mix (One part cement, one and half part M-sand and three part of aggregate)using 20mm size ISS HBG metal machine crushed from approved quarry including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing but excluding cost of reinforcement etc. Complete with std. Specifications. TNDSS NO: 30 For HDPE tank pedestal

Brick Work in Cement Mortor 1:5 Mix (one cement, five sand) using new best II Class Bricks of size 9” x 4 3/8” x 23/4 “ from approved quarry including cost and conveyance of all materials to site. Loading and unloading charges and labour charges for mixing, laying and curing etc. complete. Complying with std. specifications.

Plastering in Cement Mortor 1:5 Mix (one cement, five sand) 12mm thick including cost and conveyance of all materials to site, loading and unloading charges and labour charges for mixing, laying and curing etc. complete. Complying with std. specifications.

Exterior Emulsion paint Two coats with good quality of approved Emulsion paint including cost of all materials to site and all labour charges for mixing applying and proper curring etc., Complete as per Standard Specificationst etc. Complete with std. Specifications.

Supply and run of 4 x 6 sq.mm.(56Nos/0.3mm.Dia) PVC insulated single core unsheathed copper conductor cable of 1100 V on 7/20 G.I. bearer wire for service connection mains (SD 68)

Supply and Run of 4 x 4 sq.mm(84/0.3) PVC insulated Sc unsheathed Cu.Conductor of 1100V grade in 25mm dia G.I pipe ("B"class) suitable bend at both ends with necessary angle iron up right and end supports for mains.SD-73)

Labour charges for the erection of submersible pumpset in borewell/openwell including fixing and jointing submersible cable withproper clamps upto the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges upto the exterior wall of pump room and erection of panel board consisting of TPICN switches starter, voltmeter, Ammeter, three pilot (indicating) lamps capacitor single phasing preventor, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pumpset and trail run for 10 days.

SAKTHI ENGINEERS