SPL REPAIRS/REPLACEMENT OF CI RAISING MAIN PIPE LINE TO DI RAISING MAIN FROM TRISHUL LINE PUMP HOUSE TO HAID LINE/ALLENBY LINE OH TANK AND PROVN OF LIGHTING PROTECTION AT BOWENPALLY UNDER AGE E/M NO 1 OF GE (U) SECUNDERBAD

Amount

Taking up defective cast iron water mains (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead from ground, cleaning the pipes free from sedimentation/scaling etc for reusing the serviceable pipes complete all as specified and directed of 300 MM Size

Supply and lay pipe ductile Iron , S/S including specials, Class “K-9” (ISI marked) of size 300 mm , laid in trenches incl fittings as required as site and including jointing internal as specified of size complete all as specified and directed by Engr-in-Charge. Note :- Earth work excavation shall be measured and paid separately.

Brick masonry valve chamber made out of brick work of internal size 900x900x900mm in cement motor 1:4 incl plaster and providing of valve chamber cover made out with MS Sheet of 3mm thick with 40x40x6mm size angle iron frame duly grouted to wall and painting to steel work 2 coat of synthetic enamel paint and over one coat of red oxide primer and locking arrangement complete incl earth work etc, all as specified and directed. Rates are deemed to be inclusive excavation & earth work and disposal of excavated material as required at site.

Supply, fixing, connecting and testing sluice valve of 300 mm of size CI body brass spindle, iron wheel head type PN 1.6(ISI marked) complete all as specified. Make: Kirlosker/Leader/Sent

S&F Cast Iron Air Valves with two air Outlets, conforming to IS 14845 of size 150 mm dia bore double acting (DS2) heavy duty including providing jointing material such as rubber fiber board gasket, suitable size bolts and nuts and washers, necessary supports, rasing DI pipe 150 mm dia double side and not less than 1.20 Mtr length Including taking down old unserviceable Air release valve complete all as specified and as directed by Engr-in-charge. Note :- CI/DI specials required at site shall be measured and paid separately.

M&L cutting of road up to a size not exc 1.5m wide and not exc 1.5m depth for laying of water pipe lines making good the disturbed surfaces so as to match with existing finishing with PCC complete all as specified and directed. Note : PCC work shall be measured and paid separately

M&L for PCC 1:4:8 type D2 using 40mm graded aggregates as in foundation, filling and mass concrete for pole / stay / post including necessary form work complete all as specified and directed.

M&L for PCC 1:3:6 type C1 using 20mm graded stone aggregate in coping of poles / foundation for poles, struts, posts etc including necessary form work, finished the exposed surfaces fair and even without using extra cement complete all as specified and directed.

Excavation in trenches n.exe 1.5m wide and n.exe 1.5m deep for laying pipe line incl getting out in hard/dense soil complete all as specified and directed.

Returning filling in incl spreading watering and well ramming in layers in hard/dense soil each not exceeding 25cm thick complete all as specified.

Removing surplus soil to a distance not exe 50 Mtr and depositing where directed at a level not exe 1.5 m above the starting point complete all as specified and directed.

S&F aluminium strip 25 x 3.15mm with saddles and fixing screws etc for roof conductors and down conductors above ground.

S&F Air termination single pointed copper rod 12mm dia and 300mm long

S&F GI pipe 40 mm dia light grade in trenches or on wall complete.

M&L Test point terminal block made of gun metal or phosphorus bronze size 75x75x25mm, drilled and screwed including, 3 Nos, 8mm dia 25mm long hex, head screw.

M&L for maintenence free safe earthing electrode (SEE) designed pipe in pipe technology, set of 3 Nos earth pit duly inter connected with copper earth strip 25 mm x 3 mm, each earth pit having outer pipe of size 76 mm dia and inner pipe of size 42 mm dia, each GI pipe have 3 mtr long duly zinc and alloy coated having zinc coating (80-100) microns to whole length of pipe and alloy coating 250-300 micron to upper 3000 mm length of pipe, inside filled with crystal conductive compound (CCC) having anti corrosive and conductive properties to provide annular space of earth electrode and external black fill compound two bag of 25 kg mixed with soil all arround the earth pipe for retaining moisture, reduce the soil resistivity and dissipation of fault current, connected to earthing test point including excavation, earth work, PCC pit, RCC cover 50 mm thick, lifting rod 8mm dia, GI protection pipe 40 mm dia light grade for protection of inter connecting earthing strip from mechanical protection and testing on completion, complete. Make: ASHLOK, Model No : ASEEL-39 ZC & AC or equivalent make as approved by GE.

M/s SHAIK ZAINULABDEEN

Srinivash Engineers

STANDARD AGENCIES

THE DECAN ENGINEERING AND REFRIGERATION COMPANY

M Laxmana Rao and Sons