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| 1 | Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches for laying of pipes for water supply in the following type of soils Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil as Directed by the Departmental officers 110mm HDPE pipe |
| 2 | 160mm HDPEpipe |
| 3 | 75mm Pvc Pipe |
| 4 | Supplyof PVCpipes, GI Pipes and specials including cost and conveyence of all materials and labour charges etc., complete as per Standard Specification as follows |
| 5 | 160 mm HDPEPipe |
| 6 | 110 mm HDPEPipe Bend |
| 7 | 110 mm HDPETee |
| 8 | 75 mm PVC Pipe |
| 9 | 75 mm PVC Bend |
| 10 | 75 mm PVC Tee |
| 11 | Lowering HDPE pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers110mm HDPE pipe |
| 12 | 160mm HDPE Pipe |
| 13 | 75 mm PVC Pipe |
| 14 | Jointing HDPE Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by departmental Officers. 110mm HDPE pipe |
| 15 | 160mm HDPE Pipe |
| 16 | Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water @ Rs. 60/KL) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test, excluding the cost of pipes but including other incidential and operational charges etc., complete for the following diametres of pipes.. 110mm HDPE pipe |
| 17 | 160mm HDPE Pipe |
| 18 | Refilling the Excavated trenches after lawing of 110 mm HDPEPipe Complete as per standard Specification75 mm PVC Pipe |
| 19 | Providing Granular Surface base to the required surface using murram,Granular soil of size varying from 4mm to 75mm including cost of labour for stacking ,spreadingand compacting layer by layer (Each layer not exceeding 100mm )including hire charges of roller etc,complete as per the direction of departmental officers. |
| 20 | Plain Cement Concrete 1:4:8 (one part of cement, four part of Crushed Stone Sand (M- Sand) and eight part of coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification |
| 21 | PCC 1:2:4 mix using 20mm size ISS gauge HBG metal for foundation including cost and conveyance of all materials to site and all labour charges for mixing, laying, ramming, curing concrete etc., complete as per standard specification. |
| 22 | Geophysical survey charges for location of water source point as directed given by departmental officers including all charges etc.., complete asper S.S. |
| 23 | Drilling of 150mm diaborewells in overburden soil incliuding labour charges forinsortion os casing pipe |
| 24 | Drilling of 150mm diaborewells in hardrock area anywhere in Tamilnadu including transportation to the work site in hard rock areas and developed the borewells |
| 25 | Supply and delevery of 150 mmOD PVC cashing Pipe including and cost and conveyance of all material and labour etc., complete asper S.S |
| 26 | Supply and delevery of 50 LPM x 175m Head submersible motor pumpset including and cost and conveyance of all material and labour etc., complete asper TWAD |
| 27 | Supply and delevery of 5 HP Panel Board including and cost and conveyance of all material and labour etc., complete asper TWAD |
| 28 | Supplying and deleveryand PVC INSULATED and Seathed 3 core 4 s.q.mm Flat Type Copper Cable conforming TOIS 694/1990 including and cost and conveyance of all material and labour etc., complete asper TWAD |
| 29 | Erection of 50 LPM x 175 m Head Submersible motor with Panal board into Borewell including alllabour charges etc.., complete. Asper TWAD |
| 30 | Supply and delivery of PVC and GI Specials as Per Standard Specification Asper TWAD 50 mm GI Coupling |
| 31 | 50 mm GI Pipe |
| 32 | 20mm Gi pipe |
| 33 | 63mm x 20mm saddle |
| 34 | 20mm Tap |
| 35 | 20mm bend |
| 36 | 20mm tee |
| 37 | 20mm Coupling |
| 38 | 150mm CI Double Air valve AS PER ISI 14845/2000 |
| 39 | 200mm CI Double Air valve AS PER ISI 14845/2000 TWAD |
| 40 | 100mm G.M Gate valve (ward 01 and 02) |
| 41 | 125mm G.M Gate valve (ward 01 and 02) |
