Rerouting of existing service water line and other utilities for new 2 MGD plant at NDDP Kalpakkam

Earth work excavation in all type of soil; mixture of gravel and foundation of wall, pipe line trenches etc including dewatering, and strutting wherever required and refilling the foundation trenches etc complete as per specification up to 1.00m depth below average ground level.

Clearing Heavy jungle area including cutting all unwanted plants, branches, twigs, wild growth, trees and saplings of girth upto 30cm, uprooting of rank vegetation etc. complete, and disposing the same 100metres away by manually or burning them without disturbing other areas etc., complete all as directed by the Engineer-in-Charge.

Providing, Laying, jointing, fixing and testing of 50mm n/b Heavy quality (C-Class) Galvanized Iron pipes of TATA or approved equivalent make and ISI marked fittings like, tees, elbows, bends, unions, nipples, reducers etc. as required for the work, including testing the pipes and fittings for 10.00 Kg / Sq.cm hydraulic pressure with a minimum period of two hours duration with clean water, including cutting , threading, jointing with hemp yarn, white lead, jointing Teflon tape, fixing in walls / trenches using clamps etc. including 2 coats of Synthetic enamel paint over a coat of primer, complete all as per specifications and drawings, all as directed at site. Pipes with exclusive use of ISI marked of approved make C-Class pipes.

Providing, Laying, jointing, fixing and testing ofr 40mm n/b Heavy quality (C-Class) Galvanized Iron pipesof TATA or approved equivalent make and ISI marked fittings like, tees, elbows, bends, unions, nipples, reducers etc. as required for the work, including testing the pipes and fittings for 10.00 Kg / Sq.cm hydraulic pressure with a minimum period of two hours duration with clean water, including cutting , threading, jointing with hemp yarn, white lead, jointing Teflon tape, fixing in walls / trenches using clamps etc. including 2 coats of Synthetic enamel paint over a coat of primer, complete all as per specifications and drawings, all as directed at site. Pipes with exclusive use of ISI marked of approved make C-Class pipes.

Providing, Laying, jointing, fixing and testing of 25mm n/b Heavy quality (C-Class) Galvanized Iron pipesG.I pipe of TATA or approved equivalent make and ISI marked fittings like, tees, elbows, bends, unions, nipples, reducers etc. as required for the work, including testing the pipes and fittings for 10.00 Kg / Sq.cm hydraulic pressure with a minimum period of two hours duration with clean water, including cutting , threading, jointing with hemp yarn, white lead, jointing Teflon tape, fixing in walls / trenches using clamps etc. including 2 coats of Synthetic enamel paint over a coat of primer, complete all as per specifications and drawings, all as directed at site. Pipes with exclusive use of ISI marked of approved make C-Class pipes.

Providing and fixing 50mm nominal bore 'LEADER' make gun metal full way gate valves female ends screwed bonnet integral seat non raising spindle class I, ISI marked to IS:778 tested to 20 kg/sqcm hydraulic pressure etc., complete all as per specification and as directed by the Engineer-in-Charge.

Providing and fixing 40mm nominal bore 'LEADER' make gun metal full way gate valves female ends screwed bonnet integral seat non raising spindle class I, ISI marked to IS:778 tested to 20 kg/sqcm hydraulic pressure etc., complete all as per specification and as directed by the Engineer-in-Charge.

Providing and fixing 25mm nominal bore'LEADER' make gun metal full way gate valves female ends screwed bonnet integral seat non raising spindle class I, ISI marked to IS:778 tested to 20 kg/sqcm hydraulic pressure etc., complete all as per specification and as directed by the Engineer-in-Charge.

Making connection of distribution branch with G.I Main of 25 to 40mm nominal bore by providing and fixing tee including cutting and threading the pipes etc. complete as per specifications and as directed by the Engineer-in-Charge.

Making connection of distribution branch with G.I Main of 50 to 80mm nominal bore by providing and fixing tee including cutting and threading the pipes etc. complete as per specifications and as directed by the Engineer-in-Charge.

Providing and fixing Chlorinated PVC (CPVC) pipes for External (open) Exposed on wall pipeline work having thermal stability for hot & cold water supply (as ASTM Standard 2846 & SDR - 11 Grade) including all CPVC Plain & Brass threaded fittings, fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with CPVC Solvent cement & testing the joints complete all as per specifications, drawings and as directed by the Engineer-in-Charge.50mm outer dia CPVC pipe

Providing and fixing Chlorinated PVC (CPVC) pipes for External (open) Exposed on wall pipeline work having thermal stability for hot & cold water supply (as ASTM Standard 2846 & SDR - 11 Grade) including all CPVC Plain & Brass threaded fittings, fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with CPVC Solvent cement & testing the joints complete all as per specifications, drawings and as directed by the Engineer-in-Charge.50mm outer dia CPVC pipe 40mm outer dia CPVC pipe

Providing and fixing Chlorinated PVC (CPVC) pipes for External (open) Exposed on wall pipeline work having thermal stability for hot & cold water supply (as ASTM Standard 2846 & SDR - 11 Grade) including all CPVC Plain & Brass threaded fittings, fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with CPVC Solvent cement & testing the joints complete all as per specifications, drawings and as directed by the Engineer-in-Charge.50mm outer dia CPVC pipe 25mm outer dia CPVC pipe

Supply , installation and testing of 2 HP single phase centrifugal mono block pump with motor kirloskar/equivalent, 20 m head and 3.9lps

Providing and laying cast insitu controlled reinforced cement concrete of specified grade at all levels and lifts mentioned below using 20mm maximum size hard granite machine crushed graded stone aggregates including weigh batching, charges for mixing & cost of admixture, mechanical mixing, transporting and placing at all lifts, vibrating, consolidating, curing and finishing smooth of all exposed faces complete for column footings, columns, lintels, sunshades, gutter slabs, beams, slabs, water tank, machine foundation and all other structural elements including dewatering wherever necessary (Formwork and reinforcement will be paid for separately) all as per specification and all as shown in drawings and as directed by the Engineer-in-charge for all insitu item.

Supply fabrication and erection of MS support structures for supporting the GI pipe wherever necessary and as directed by Engineer Incharge

Supplying, fabricating, erecting and fixing in position at all levels, centering and shuttering to correct line and levels including strutting, propping, etc., with necessary bracings in all axes to give a stable assembly with provision for making the joints in the shuttering fully leak proof and with provision for fixing coil nuts with tie rods along with suitable channel for lateral supports and for inserts, projecting dowels, anchor bolts or any other fixture, including staging, access and working platforms etc., all complete as specified and directed including dismantling and removing the aforesaid assembly after the concrete attains the sufficient strength to self-support itself without cracking and distortion all as per specification, including all materials and labour complete in all respects at all lifts. (The measurement for the formwork will be the actual area of forms in contact with concrete surfaces.) Shuttering with plywood panels alone will be permitted.

Construction of Inspection chamber of size 600x600mm internally upto 1.00metre depth with brick masonry walls of 230/345mm thick using stock bricks in cement mortar 1:5 with necessary brick carbelling as required, plastering with cement mortar 1:3, 12mm thick finished smooth with a floating coat of neat cement inside chamber and with cement mortar 1:5, 12mm thick for external sides of the chamber including excavation in all types of soils, back filling, providing and laying 150mm thick PCC 1:4.5:8 for foundation concrete forming bencing in PCC 1:2:4 using 20mm maximum size graded aggregate etc. complete all as per specification, drawing and as directed by the Engineer-in-Charge.