REPAIR, MAINTENANCE AND REPLACEMENT OF 600MM DIA RCC PIPE LINE AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

Amount

Surface dressing of areas above pipe lines by Clearing away all grass, wild vegetation, saplings, shrubs, brushwood, undergrowth, roots, and trees not exceeding 30cm girth and removing rubbish upto a distance of 50 meters outside the periphery of the area under clearance complete all as specified and as directed.

Cleaning at alternate 15 days of raw water strainer of size 600 mm dia after dismantling all nuts bolts of strainer top cover and refixing after completion of work, including cleaning of PCC pit by removing all scales dirt, sediments and fungus etc. using wire brush complete all as specified and directed. NOTE: Each time cleaning shall be measured as one Job

Supply and fix CI / DI air release valve with isolating sluice valve 80 mm dia confoming to ISI 4846 with lead gun metal rings and spindle nut in bronze and spindle for 12 CR 13 material with ISI mark, pressure rating PN 1.0 including necessary welding and fixing new nipple, nuts, bolts and washers and rubber gasket etc. complete all as specified and as directed including taking out old one.

Supply and fix CI / DI air release valve with isolating sluice valve 150 mm dia confoming to ISI 4846 with lead gun metal rings and spindle nut in bronze and spindle for 12 CR 13 material with ISI mark, pressure rating PN 1.0 including necessary welding and fixing new nipple, nuts, bolts and washers and rubber gasket etc. complete all as specified and as directed including taking out old one.

M&L for attending emergency break down of pipe line due to bursting / cracking of 600 mm bore RCC /DI /MS water mains at any location, and including cleaning / removal of broken pipe pieces of various lengths, cutting the pipes / fittings if any by gas cutter / mechinical cutter / manual cutting as per site requirement and including inserting necessary specials such as MS / RCC pipes of short length, RCC collar etc as per site requirement, testing for leakages of joints, testing and necessary dewatering by using necessary pumps, excavation in any type of soil by mechanical excavator / manually, returning filling and removing rubbish upto a distance of 50 meters outside the periphery of the area under breakdown, necessary cementing work with quick setting cement / chemical, spun yarn etc as requires at site complete all as specified and directed. Notes:- The quoted rate is deemed to be include the following:- (i) Arrangement of suitable pump sets for dewatering at the time of breakdown. (ii) Necessary labour/trade men for attending immergency break down .(iii) Labour element required for fixing RCC/DI/MS pipes, specials fittings (iv) All earth work to carry out mannually as well mechanicaliy. Mechanical excavator shall be kept stand by till completion of the Job work (v) Replacement of MS / RCC pipes of short length, RCC collar RCC collar with new joints on both sides (vi) Disinfection of new collars and pipe from entry of foreign materails etc (vii) Job register for repairing work shall be maintained by concerned JE and the Job order on the day of the work shall be signed by contractor /or his rep on completion of Job work (viii) Only DI specials / DI mechanical joint / MS pipe if requires shall be measured seperately under respective items under this Schedule as supply only

Supply only mechanical joint for 600 mm dia DI pipe including both end rubber gusket , nuts bolts assembly complete all as specified and as specified

Supply only DI / CI / MS fittings for water pipe line such bends (any type, radius and angle) tapers any type, (straight, bend, increasing, decreasing or double socket etc.) Tee pieces single branch. "Y" junction, double branch, cross (all sockets or socket and spigot) collars, caps and plugs upto 600 mm bore completeall as specified and directed.

Supply only MS pipe any length 600 mm bore (ID), 12 mm wall thick complete all as specified and as directed. .( Note: 600 mm dia pipe may be fabricated as site as per requirement)

M&L for attending emergency repair for leaking of RCC Collar joint of 600 mm bore RCC water mains at any location, in trenches by removing all damaged cemet morter and old spun yarn and caulking with new spun yarn and cement morter 1:3 mix with quick setting cement / cement mixed with chemical (like CICO oil etc) all around the collar joint and testing the new joint for including necessary earth work like excavation in any type of soil by mechanical excavator / manually, returning filling and removing rubbish upto a distance of 50 meters outside the periphery of the jointing area, necessary dewatering by using necessary pumps, complete all as specified and directed Notes:- The quoted rate is deemed to be include (i) Arrangement of suitable pump sets for dewatering at the time of joint repair. (ii) All earth work to carry out mannually as well mechanicaliy. Mechanical excavator shall be kept stand by till completion of the Job work .(iii) Job register for repairing work shall be maintained by concerned JE and the Job order on the day of the work shall be signed by contractor /or his rep on completion of Job work (iv) one collar has two joint, each joint measured as one unit

M&L for cleaning of valve chamber of any size internally and externally, removing all wild vegitations around 1 mtr of valve pits, applying one coat of white wash to the inner & outer side walls and one coat of black synthetic enamel paint to steel cover with fame complete all as specified and as directed.

Supply and fix new route marking pre cast RCC (1:1.5:3, type A1 using 20 mm graded crushed stone aggregate ) pillar of size 300 mmx 300 mm x 1200 mm long reinforced with 4-nos 12 mm dia MS Tor steel as main bar 8 mm dia MS Tor steel @ 150c/c as tie bar written with engraved as "ND-V" at both side and fixed above pipe line by keeping 600 mm above GL including necessary earth work, 3 coats of white washing on exposed surfaces of post including dismantling taking out damaged pipe route marking pillar made with RCC post of any size,complete all as specified and as directed.

LAKSHMI SAI CONSTRUCTIONS

aswitha engineering works

M/s Jai Ganesh Engineering Solutions