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| 1 | Earthwork excavation for Narrow Trenches 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. |
| 2 | Supply and Laying of 160mm HDPE Pipes PE 100 as Per IS 4984 / 2016 (Pre - Compund Resin) PN8 |
| 3 | Lowering 160 mm dia PN8 HDPE pipes and specials to trench and laying to proper grade and alignment and as directed by the TWAD Officers |
| 4 | Jointing 160 mm dia 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 TWAD Board Officers. |
| 5 | Dismantling the existing Reinforced cement concrete including removing the debris from the site and stacking useful material at work site for reuse etc., complete complying with standard specification. |
| 6 | Dismantling the existing Plain cement concrete including removing the debris from the site and stacking useful material at work site for reuse etc., complete complying with standard specification. |
| 7 | 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. |
| 8 | 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. |
| 9 | Supplying and erecting centering including necessary supports for the plane surfaces such as Drainage & Culvert Retaining walls etc., using mild steel sheets of size 90cm x 60cm and BG 10 stiffened with welded mild steel angles of size 25mm x 25mm x 3mm for boarding supported by casurina props of 10cm to 13cm dia spaced at suitable intervals etc., complete complying with standard specification. |
| 10 | Plain Cement concrete in 1:3:6 [one cement, three M-sand and six course aggregate] using 20mm 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. |
| 11 | Supplying and erecting centering for soffits of plane surfaces like RCC Slabs, Lintels, Sunshades, Square Columns, Staircase waists, Beams etc., including strutting 3m high using mild steel sheets of size 90cm x 60cm and BG 10 stiffened with M.S angles of size 25mm x 25mm x 3mm laid over silver Oak (C.W) joists of size 10cm x 6.5cm (spaced at about 90cm c/c) and supported by casurina props of 10cm to 13cm dia (spaced of 75cm c/c) etc., complete complying with standard specification. |
| 12 | Reinforced cement concrete 1:1½:3 [one cement, one and half M-Sand and three course aggregates] using 20mm size Hard Broken/Machine crushed Granite Stone Jelly for all RCC items of works excluding centering, shuttering and cost of reinforcement, including curing, fixing fan clamp and fixtures if necessary etc., complete complying with standard specification. |
| 13 | Supplying, fabricating and placing in position of Steel Reinforcement using Mild Steel or Ribbed Tor steel bars for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors etc., complete complying with standard specification. |
| 14 | Plastering with cement mortar 1:4 mix (one cement four P-sand), 12mm thick in all floors using clean screened M-Sand and including cost of curing for fifteen days from the completion of thework 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. |
| 15 | Add G.S.T. @ 18% |
