Municipal Administration And Water Supply Department Tender

Jointing the 200mm dia HDPE pipes and specials withby 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 arrangement and cost of testing to the required pressure with water for filling (including cost of jointing materials) etc., complete as per directed including etc complete as per standard specification.

Supply and fixing of Specials for HDPE Pipes as per IS 8360/1977/Part I (Reaffirmed 1992, Part II and III (Reaffirmed 2002) PN 10, including cost of jointing materials etc complete as per standard specifications and as directed by by the Departmental Engineer in charge.

200mm dia HDPE Tee

200mm dia HDPE Bend

Refilling the trenches with excavated soil other than sand in layers of 15cm thick well rammed and completed as instructed by the departmental officers with intial lead and lifts and cleaning and levelling the site etc.,complete. For 200mm dia HDPE Pipes

Labour for cutting to open the Cement Concrete surface roads for laying water distribution lines etc complete as per standard specifications and as directed by the Departmental Engineer.

Supply and delivery of CI D/F Scour valves with cap along with specials of the 200mm dia in size confirming to IS 14846 / 2000 (PN1) including flanged tail piece and other specials as required, loading, unloading, transportation charges and stacking and jointing including cost of jointing materials but excluding excise duty etc, complete as per standard Specification.

Manufacture, supply and delivery of 50mm dia Double Air Valve as per ISI 14845/2000 of flanged type with screw down valves combined as per G.K. catelogue Fig. No. H40 and tested to a minimum test pressure of 120m of head of water including loading freight, unloading, insurance all taxes stacking at site but excluding excise duty etc., complete and as directed by the departmental officers.

Constructing masonry chamber of inside dimensions as mentioned below with Country Brick, brick work in CM 1:5 (1 cement : 5 coarse sand) for Scour valve, with CI Surface box 100mm top diameter, 160mm bottom diameter and 180mm deep (inside) with chained lid and top RCC Precast slab 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20mm nominal size) with necessary earth work excavation including refilling the sides of foundation, foundation concrete 1:4:8 (1 cement : 4 coarse sand : 8 grade stone aggregate 40mm nominal size) and inside plastering with CM 1:5 (1 cement : 5 coarse sand) 12mm thick finished with a floating coat of neat cement, complete as per standard design and shown in the drawings. 900x 750x1500mm clear inside dimensions.

Constructing masonry chamber of inside dimensions as mentioned below with Country Brick, brick work in CM 1:5 (1 cement : 5 coarse sand) for Air valve, with CI Surface box 100mm top diameter, 160mm bottom diameter and 180mm deep (inside) with chained lid and top RCC Precast slab 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate of 20mm nominal size) with necessary earth work excavation including refilling the sides of foundation, foundation concrete 1:4:8 (1 cement : 4 coarse sand : 8 grade stone aggregate 40mm nominal size) and inside plastering with CM 1:5 (1 cement : 5 coarse sand) 12mm thick finished with a floating coat of neat cement, complete as per standard design and shown in the drawings. 1200x 900x1500mm clear inside dimensions.

Barricading work (Where, there is less traffic areas and broader roads etc.) for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with horizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm dia reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by TWAD Board officers.

Testing of 200mm dia HDPE pipes 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.

Excavating of driving pit and receiving pit of size 3.00m (length) x 3.50m (breadth), upto 5m depth in all soil including shoring and strutting using 6mm tk MS Plate of size 3.50m x 3.50m usable for 20 operations and providing 16mm thickness MS plate of size 3.00m x 3.50m with 100mm x100mm x 12mm angles of 4m length for holding the MS plates for Thrust arrangements to receive the impacts during pushing operation of encasing pipe. Lowering the following size of MS encasing pipe by using Contractor’s crane and machineries and jointing MS pipes by welding, across the National Highways/State Highways/ Railways/Canal crossing etc and driving the horizontal bore by pushing / jacking method (trenchless technology method) using contractor’s machineries such as cranes, jacks, jacking materials, generator, welding machineries, compressor, jack hammer and other equipments etc. without interfering and causing any hindrance to the movement of traffic or any other vehicles, without any disturbances to the railway/road/canal formation etc. including bailing / pumping of water where ever necessary without affecting any installation like water supply pipeline/telephone cable, electric cables etc. passing nearby area and scooping the earth inside the pipes and pit and depositing the surplus earth in a convenient place and leveling the site after completion of entire work as directed by TWAD Engineers. The rate includes the cost of driving pit, thrust bed/wall and receiving pit to the depth of 0m to 5m excluding the cost of MS pipes.

Supply and delivery of MS Pipes spiral/ longitudinal welding as per IS 3589/2001 fabricated with Fe410 grade steel confirming to IS 3589/2001 and other allied codes of size 406.40 X 4.00mm etc, complete.

Provision for GST 18% CGST-9%, SGST-9%