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| 1 | Charges for conducting Geophysical survey etc direction by the Departmental officers |
| 2 | Drilling of 150mm dia bore wells in over burden soil including labour charges for insertion of casing pipes |
| 3 | Supply of 150 mm (Casing Shollow depth) 1.2 PVC Casing pipe with exces duty as per IS 12818/1992 (TWAD Rate 2021-22 Page No19) |
| 4 | Drilling of 150mm dia borewells in hard rock areas anywhere in Tamil Nadu including trasportion to the worksite in hard rock areas and developing the borewells |
| 5 | Labour charges for inserting casing pipes assembly (With slot or without slot) in the drilled hole including welding the joint etc., complete and supplying and packing the annular space with pebbles of size and quality as approved by the Executive Engineer (TWAD Rate 2021-22 Page No227) |
| 6 | Supply and delivery 50 x 250 of clear water vertical wet type submersible pump conforming to IS 8034/2002 and 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 continues rated two pole suitable wet type vertical squirrel cage induction motor suitable for operation in AC single phase 230 V+/- 10 %,50 HZ +/-5 % |
| 7 | Supply and delivery of 7.50 HP capacity of Three phase submersible pump set panel board with two level gourd with auto start duty 20lpmx125 Mt head, including cost and conveyance of material etc., complete as standard specification |
| 8 | Supply and fixing of following PVC, GI and Electrical Accessories including all necessary materials and labour charges etc complete |
| 9 | HDPE pipe 50mm/ 38mm |
| 10 | 32mm SS Nipple |
| 11 | 32mm GI X Nipple |
| 12 | 32mm GI Bend |
| 13 | 32mm MS Clamp |
| 14 | 50mm GI Pipe |
| 15 | 50mm GI Coupling |
| 16 | PVC Tap |
| 17 | 2000 Ltr. Capcity HDPE Water Tank |
| 18 | 16mm Nylon Rope |
| 19 | 32Amps MCB |
| 20 | 32 Amps Fuse Unit |
| 21 | 2 of 4 Sqmm wire SD 45 |
| 22 | 2.5 Sqmm Flat Cable |
| 23 | Labour charges for erection of Submersible pumpet in bore well/ Open well including fixing submersible cable with proper clamps upto to the starter to required depth and also fixing of riser pipes to the required depth calves erection clamps , pusher gauge upto the exterior wall of pump room and erection of panel Board consisting of TPIC switches, voltmeter, Ammeter, Capacitor single preventer and laying and jointing the cable and twin earthling as per IE rules including providing bed block etc., and operating the pumps and trial run 10 days including singing of completion of reports as required by EB authorities TWAD Board Schedule Item No.17C , Page no.230 2015-16 |
| 24 | Construction of inspection chamber of size 60 cm x 60 cm x 60 cm with 75mm thick RCC loose slabs covering in C.M. 1:2:4 mix including necessary reinforcement and earth work excavation for foundation wth 23 cm thick concrete bed using 40mm B.J. concrete in CC 1:4:10 for foundation brick work in CM 1:6 for chamber as directed during theexecution including plastering with CM 1:3, 12mm thick, benching and channelly etc. complete for 1 No. |
| 25 | Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works in the following type of soils as directed by Departmental officers Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil.SS20B |
| 26 | Supplying and filling in foundation and basement with Crushed Stone Dust in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification |
| 27 | Supply and Delivery of PVC Pipes and Specials etc |
| 28 | 110mm PVC Pipe 6kg/Cm2 |
| 29 | 90mm PVC Pipe 6kg/Cm2 |
| 30 | 100mm Bend |
| 31 | Supply and Delivery of MJ Collars including loading and Unloading charges etc complete |
| 32 | 100mm |
| 33 | 100mm CI Sluice Valve |
| 34 | Refilling the earthwork excavated area for laying of pipe line in labour or machineries engaged etc complete |
| 35 | Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. |
| 36 | 90mm to 110mm dia (OD) PVC pipe |
| 37 | Dewatering using 3HP to 70HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete. |
| 38 | Hire charges for Diesel Pump set for 7.5 HP |
| 39 | Providing water supply house service connection in BT(or) CC Roads from distribution main into houses up to 6M length ie, supply and fixing of following pipe and required materials including cost and conveyance of all materials to work site, all labour charges, incidental charges, road cutting charges, refilling the trench with excavated earth and compacting as directed by the departmental officers.etc complete as per standard specifications. i) PVC pipe 15mm dia or PE 80 PN 16 Blue or White pipe as per ISO183 IS make ISI Quality as per ISO 4427 – 6Rmii) 20 mm size PVC Ferrule -1Noiii) suitable PVC Saddle piece (or) MS saddle -1 Noiv) 20 mm stop cock – 1No Please Enable Macros to View BoQ information |
