REPAIR, MAINTENANCE OF FRESH WATER SERVICE PIPELINE OF VARIOUS WORKSHOP / ADM BLDGS AT NAVAL DOCKYARD VISAKHAPATNAM

Amount

Attending day to day work and breakdown and call on repair for uninterupted water supply pipe line running in various wksp/adm bldg complete by providing daily suitable plumber and helper during the complete work period complete all as specified and directed here -in-after :- [Note : (a) Contractor shall not claim for outsourcing. (b) Work will be measured as per unit specified.]

Excavation in trenches not exc 1.5 M in wide and depth for carrying out repairs to jointing pipe and getting out in soft loose soil including dewatering of sub soil water all as specified and directed.

All as per item No. 1.01 above but in Soft / Disintegrated rock ( For road /hard standing cutting)

Returning, filling in soil including spreading, leveling, watering and well ramming in layers not exc 25 cm all as specified and directed.

Removing excavated soil not exceeding 50 m and depositing where directed at level not exceeding 1.5 M above the starting point all as specified and directed.

Material & labour for PCC (1:2:4), type B1 (using 20 mm graded stone aggregate) as in pillar to support the pipe lines including necessary form work and finishing the exposed surfaces of concrete fair and even all as specified and directed

Material and labour for replacement of flange joints gusket suitable for CI/MS/DI flanged water mains after dismantling both side of joint and jointing with new rubber gasket nuts, bolts and washers including taking out old perished rubber gasket, nuts bolts and washers for 100 mm bore pipe complete all as specified and directed

All as per item No-.1.06 above but of size 80 mm bore

Taking down old unserviceable GI pipe of including short length following sizes from trenches and supply and fix GI pipe Medium grade 100 mm bore galvanized with all fittings such as tees, bend, elbows, sockets reducer, nipples and union complee all as specified and directed.

All as per item No1.08 above but of size 80 mm bore

All as per item No.1.08 above but of size 50 mm bore

All as per item No.1.08 above but of size 40 mm bore

All as per item No.1.08 above but of size 25 mm bore

All as per item No.1.08 above but of size 20 mm bore

All as per item No.1.08 above but of size 15 mm bore

Supply, fix, install test and commissioning CI sluice valve flanged type 100 mm dia PN 1.6 fitted with hand wheel including fixing to pipe line with gusket, nuts, bolts and washers complete including taking out old unserviceable sluice valve complete.

All as per item No.1.15 but of size 80 mm bore

Supply and fix in repairs 50 mm bore Gate valve all as specified and directed. Make : L & T (Adco) & equivalent

All as per item No.1.17 above but of size 40 mm bore

All as per item No. 1.17 above but of size 25 mm bore

All as per item No. 1.17 above but of size 20 mm bore

All as per item No. 1.17 above but of size 15 mm bore

M& L for painting to old steel surfaces of MS/GI pipe lines with one coats of synthetic enamel paint including preparation of surfaces complete all as specified and directed.

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 including taking out broken CI /MS specials upto 80/100 mm bore complete all as specified and directed.

Labour only for attending break down of pipe line of 100 mm bore, including cleaning/removal of broken pipe pieces of variouslengths through gas cutting / manual cutting as per site requirement and including inserting necessary specials such as pipes MS/CI collar etc as per site requirement, testing for leakages , testing and necessary dewatering by using necessary pumps, mechanical excavator complete all as specified and directed by engineer-in-change for the following sizes:- [Note 1:- The quoted rate is deemed to be include (i) arrangement of suitable pump sets for dewatering at the time of breakdown. (ii) Necessary labour/trade men for attending emergency break down . (iii) labour element required for fixing CI/DI/MS pipes, specials fittings (iv) All earth work to carry out mannuaily as well mechanical excavator and keep mechanical excuvator stand by till completion of work (v) Required CI/MS fittings,mechenical joints,earthwork shall be measured and paid separately.]

All as per item No. 1.24 above but of size 80 mm bore CI/MS/DI pipe

Labour only for attending break down in side / out side shop floors/bldg area of 50/40 mm bore GI pipe line removal of brocken pieces preparation of jointing end with making neccessary thread with die-cutter, including supply and fix elbow,tee,socket, bend reducer, union,short piece GI flange,gusket,nuts and bolts etc., as required through gas cutting / manual cutting as per site requirement . [Note 1:- 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 break down . (iii) labour element required for fixing GI/DI/MS pipes, specials fittings (iV) All required GI fittings].

Supply and fix DI Mechanical joint 100 mm including both end rubber gusket and nut,bolt assy complete as specified and directed.

All as per item No. 1.27 above but of size 80 mm bore

S&F MS structural steel work for cover frame with MS sheet including one coat of red oxide primer and two coats of black synthetic enamel paint including dismantling taking out unsv one at valve pits complete as specified and directed.

Prasad and Suresh Constructions

D NARAYANA REDDY CONSTRUCTIONS

P NARAYANA RAO

M/s NATIONAL ENGINEERING CONSTRUCTIONS CO

Jessica Engineering Works