Tiruppur Corporation_Drilling of New Borewell and Supply, Erection of 7.50HP Submersible Pumpset, UPVC Pipe, Cable and PVC Pipe at Rajammal Nagar in ward No.32.

Amount

Hydro Geological survey charges which give the guarantee of minimum safe yield of one inch (8.65 LPM) etc., complete.

Drilling of 150mm vertical bores in hard rock areas to the required depth as directed by Department Officers including labour charges for inserting casing pipe assembling in the drilled holes including welding the jointing if necessary grouting the casing pipe etc. and including transportation charges for the rig and supporting vehicles from one place to another.

Upto 150m below GL

From 151m to 180m

From 181m to 210m

From 211m to 240m

Supply, delivery and fixing in position of 150mm dia PVC casing pipe with IS specification etc., complete.

Supply and delivery of clear water vertical wet type 7.50 HP Submersible pumpset suitable for 150mm dia borewell conforming to IS 8034/2002 as amended thereafter and BEE 3 Star Rated capable of discharging noted 50LPM against 225M head of water column due to all causes. The pump shall be with stainless steel shaft and dynamically balanced bronze or Cast SS impeller, brass screws and CI FG 200 grade pump bowl/diffuser with ISI mark. The pump shall be directly coupled to a continous rated two pole suitable wet type vertical squirrel cage induction motor as per IS9283 /1995 as amended there after, suitable for operation in AC three phase 415 V+/- 10 %, 50 HZ +/- 5 %

Supply of PVC insulated and sheathed 4.0 Sq.mm 3 core flat type copper cable conforming to IS 694 / 1990 etc., complete

Supply and delivery of the 50mm UPVC Pipes with IS specification etc., complete.

Labour charges for the erection of 7.50 HP Submersible pumpset in borewell including fixing and jointing submersible cable with proper 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.

Supply and fixing of TNEB meter board suitable for 32A single phase service connection with 32A fuse unit (500V) 32A neutral link and earth link (1" x 1/8" copper flat) on TW plank of size 375mm x 300mm x 19mm with supporting TW reepers of 1" thick an either side with painting with suitable bolt and nuts for fixing the TW plank on wall with earth connection and inter connection with 7/20 PVC insulated copper wire from EB meter to fuse unit with 1 No 40 Amp 30 MA Double Pole RCD / RCCB (Lower End) with suitable necessary connection

Supply and run of 4 of 4 sq.mm. PVC insulated SC unsheathed FRLS copper conductor of 1100V grade on 7 / 20 GI bearer wire for service connection mains

Supply and delivery of the 63mm PVC Pipes with IS specification etc., complete.

Earth work excavation and depositing on bank with initial lead and lift as initial of 10 M and lift of 2 M in narrow trenches for laying of pipes for water supply works in Hard stiff clay, stiff black cotton, hard red earth shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravel soil including refilling the sides of foundation in layer of 15m thick watering ramming depositing the surplus earth in the premises as directed by the departmental officers etc., complete complying with standard specification.

Lowering of 63mm PVC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste.

Earthwork excavation for foundation in all soils and sub soils except in hard rock requiring blasting and depositing on bank with initial lead of 10m and initial lift of 2m inclusive of shoring, shuttering, bailing out water wherever necessary, refilling the foundation with excavated earth other than sandy soil in layers of not more than 150mm thick layers well rammed and depositing the surplus earth within the compound in place shown by the departmental officers and clearing and levelling the site etc,. complete.

Plain Cement concrete 1:4:8 [one cement, four M-sand and eight course aggregates] using 40mm size Hard Broken/Machine crushed Granite Stone Jelly including dewatering if found necessary and laid in layers of not more than 15cm thick and compacted etc., complete complying with standard specification.

Brick work In CM 1:5 mix using best Second Class Table Moulded Chamber Burnt Bricks 9"x4½"x3" having 350 kg/cm² compressive strength and 15% or less water absorbent in the period of 24hours immersement and confirming to ISI specifications including finishing, curing etc., complete complying with standard specification.

Supply and fixing 50mm thick Cuddapah Slab including cost, conveyance and labour charges etc., complete as per standard specification

Plastering with cement mortar 1:5 mix (one cement five P-sand), 12mm thick in all floors using clean screened M-Sand and including cost of curing for fifteen days from the completion of the work and surface should free from undulations and including the cost of preparing the surface for plastering and protecting from other damages till setting of mortar etc., complete complying with standard specification.

Painting two coats with approved Oil Bound Distemper over plastered surface and ceiling including Cost of all materials, all labour charges, brushes etc., complete as per standard specification.

Add G.S.T. @ 18%

J.SARAVANAN (BID ID -1165634)