Providing New Borewell at Thiruneermala Neervannan 2nd street Ward 30 Zone -1

Amount

Conducting Geophysical survey, quality and quantity test and transportation charges etc, (This includes labour charges in the field, rent of the vehicle for reaching the place, rent of the instrument and excluding charges for the geologist)

Drilling of Borewells anywhere in Tamilnadu including transportation from one place to another with in Tamilnadu in alluvial soil sedimentary strata of clay and sand stone shale pebbles boulders etc. By first taking a pilot bore of 140 mm/150mm dia and then enlarging to required dia direct or reverse rotary mud circulation method using rotary rigs, fuel, labour and drilling bentonite and water required for drilling at site ( Site will be shown by the TWAD Board Officers) including construction of mud pit. Pg.No.302

Supply and delivery of unplasticised ribbed screen PVC casing pipe of the 150mm dia in 3m length with screwed and socket end and centering guide for every 15m length of pipes as per IS / 12818 / 1992 and as amended from time to time to suit the borewell upto 80m depth (C.S) with ISI marking including, loading, unloading , freight, stacking and transit insurance charges etc, complete.

150mm dia CM pipe

150mm RS pvc casing Solt pipe

200mm CS Pipe (Covering Pipe)

supply and delivery of clear water vertical wet type submercible pumpset suitable for 150mm dia borewell conforming to IS 80334/2002 as amended thereafter and BEE 3 star rated capable of discharging noted LPM against 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 squirred cage induction motor as per IS 9283/1995 as amended there after ,suitable for operation in AC three phase 415V+/- 10% ,50 H2 +/- 5% without panel board (TWAD SOR 2024-25 Page No 103 Clause 3.1 Unique code WD -M1618)(50 pmx100m 3HP)

Labour charges for the erection of submersible pump set in bore well/open well including fixing and jointing submersible cable with proper clamps up to the starter to required depth and also fixing of riser pipes to the required depth valves erection clamps, pressure gauges up to 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 preventer, water level guard and laying and jointing the cables and twin earthing as per IE rules etc., complete and testing the pump set and trail run for 10 days. (TWAD SOR 2024-25 Page No 204 ,ll Rates of works (E -Misscellaneous items Unique code 17 c WD -W0871)

Supply and fixing of 50mm dia HDPE pipes for submersible pump in Bore well class - 5 1MPa or 10Kg /sqm pressure. The rate shall inclusive of all labour charges and freight charges etc, complete. (PWD SOR 2024-25 Page 156 Unique Code M-1058)

Supplying and fixing of PVC insulated and sheathed 3 core 4sq.mm Flat type Copper cable cofirming to IS 694/ 1990 and including cost and conveyance of all materials to site and labour charges etc, complete as per standard specification.(TWAD SOR 2024-25 page No124 Clause 12.1 ,Unique code WD-M1975)

Supply and delivery and fixing of HDPE tank as per IS 120701/1996 including loading ,unloading transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting,threading and fixing charges etc complete(TWAD SOR 24-25 Page No 86 Clause 17.0 HDPE tank (IS 12701/1996) Unique Code WD -M1419)

Supply and delivery of UPVC & GI Pipe and specials and other jointing materials and including cost and conveyance to work site and handling labour charges etc complete

UPVC pipe (Clause 1.3 TWAD SOR 24-25 page No 7 Unique code WD-M0049)

32mm GI Eblow(Clause5.1b TWAD SOR 24-25 page No 32 Unique code WD-M0594)

50mm M.S. Clampset(Clause5.1b TWAD SOR 24-25 page No 32 Unique code WD-M0617)

32mm G.M. Gate ValveClause5.2 TWAD SOR 24-25 page No 33Unique code WD-M0618)

32mm GI Union(Clause5.1b TWAD SOR 24-25 page No 32 Unique code WD-M0603)

Nylon Rope for Borewell(PWD SOR 24-25 Page No 156 Unique Code M-1072

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete Earthwork Excavation

Supplying and filling in foundation and basement with Crushed Stone Dust (stone dust)including all the cost and conveyance of materials to work site from an approved quarry in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.- M Sand filling

Plain Cement Concrete 1:4:8 (one cement four fine aggregates and eight coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site from an approved quarry and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

Brick work in CM 1:5 (one cement & five sand) using II class ground moulded bricks of size 9"X43/8"X 2 3/4" including finishing, curing, etc., complete complying with standard specification.-

Plastering with cement mortar (1:5) 12mm ,thick in all floors including cost and conveyance of all materilas to site and labour charges etc,complete as per standard specifications (S.I.306)

Supply and delivery of MS Kiosk of size 0.75m x 0.45m x 0.75m made up of MS angle of size 50mm x 50mmx 4mm alround covered with 16 gauge MS sheet and kiosk door made up of MS plates of size 25 mm x 3 mm including cutting, welding, grinding, locking arrangements and labour charges etc.,unicode WD-M1471 Page no.91

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"x1/8"coppe rflat)on TW plank of size 375mmx300mmx19mm with supporting TW reepers of 1"thick an either side with painting with suitable bolt and nuts for fixing theTWplank on wall with earth connection and inter connection with 7/20 PVC insulated copper wire from EB meter to fuse unit with 1No 40Amp 30MA Double Pole RCD / RCCB (Lower End) with suitable necessary connection SD 126

Supply and run of 2 of 4sq.mm.PVC insulatedSC unsheathed FRLS coppe rconductor of1100V on 7/20Gl bearer wire for service connection mainsSD45

M/s. Iyyappa Enterprises (BID ID -1326458)