Utility shifting and repairing of (Water distribution pipeline of PWSS) damaged during PWD road widening for retrofitting of Dalang PWSS under Rangia (PHE) Division

NS Providing, Laying, Jointing & field testing of HDPE pipes (High Density Polyethylene Pipes-PE 100) confirming to IS 4984/2016 (with up to date amendment) with necessary jointing material like mechanical connector ofjointing pipes by heating the ends of pipes with the help ofTeflon coated electric mirror/ heater to the required temperature and then pressing the ends together against each other, toform a monolithic & leak proofjoint by thermosetting process. It may be required to be done with Jack/ Hydraulic Jacks/ Butt fusion machine.(50mm & above fusion jointed & below 50mm mechanical jointed). The HDPE fitting should be ISI marked conforming to relevant BIS code. (a) 110 mm dia HDPE PN 6

NS Providing, Laying, Jointing & field testing of HDPE pipes (High Density Polyethylene Pipes-PE 100) confirming to IS 4984/2016 (with up to date amendment) with necessary jointing material like mechanical connector ofjointing pipes by heating the ends of pipes with the help ofTeflon coated electric mirror/ heater to the required temperature and then pressing the ends together against each other, toform a monolithic & leak proofjoint by thermosetting process. It may be required to be done with Jack/ Hydraulic Jacks/ Butt fusion machine.(50mm & above fusion jointed & below 50mm mechanical jointed). The HDPE fitting should be ISI marked conforming to relevant BIS code. (b) 90 mm dia HDPE PN 6

NS Providing, Laying, Jointing & field testing of HDPE pipes (High Density Polyethylene Pipes-PE 100) confirming to IS 4984/2016 (with up to date amendment) with necessary jointing material like mechanical connector ofjointing pipes by heating the ends of pipes with the help ofTeflon coated electric mirror/ heater to the required temperature and then pressing the ends together against each other, toform a monolithic & leak proofjoint by thermosetting process. It may be required to be done with Jack/ Hydraulic Jacks/ Butt fusion machine.(50mm & above fusion jointed & below 50mm mechanical jointed). The HDPE fitting should be ISI marked conforming to relevant BIS code. (c) 75 mm dia HDPE PN 6

GI pipe as per IS/1239 ISI MARKED C Class (Heavy) 4260 65 mm dia G.I. Pipe

GI pipe as per IS/1239 ISI MARKED C Class (Heavy) 4261 80 mm dia G.I. Pipe

GI pipe as per IS/1239 ISI MARKED C Class (Heavy) 4262 100 mm dia G.I. Pipe

NS Supplying,fitting,fixing,testing and commissioning of Functional Household Tap Connection at various PWSS under different divisions of the state

18.31 Providing and fixing C.I. sluice valves (with cap) complete with bolts, nuts, rubber insertions etc. (the tail pieces if required will be paid separately): 18.31.1 100 mm dia

18.34 Constructing masonry Chamber 90x90x100 cm inside, in brick work in cement mortar 1:4 (1 cement : 4 coarse sand) for sluice valve, with C.I. surface box 100 mm top diameter, 160 mm bottom diameter and 180 mm deep (inside) with chained lid and RCC top slab 1:2:4 mix (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size ), i/c necessary excavation, foundation concrete 1:5:10 (1 cement : 5 fine sand : 10 graded stone aggregate 40 mm nominal size ) and inside plastering with cement mortar 1:3 (1 cement : 3 coarse sand) 12 mm thick, finished with a floating coat of neat cement complete as per standard design: 18.34.1 With common burnt clay F.P.S.(non modular) bricks of class designation 7.5