RENEWAL OF SEA WATER FIREFIGHTING PIPELINES WITH CONNECTED ACCESSORIES AND UNDERNEATH SUPPORT STRUCTURE FROM N-19 TO N-23 AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) (DM) VISAKHAPATNAM

M&L for dismatling of foundation PCC, taking out from pump house, carrying to dumping yard inside ND (V) and necessary cleaning of work site all as specified and directed.

M&L for cement concrete type B1, (1:2:4) with 20mm graded agreegate in foundation, filling in and mass concrete all as specified and directed.

Dismantling /taking out old MS/DI/CI pipe from MS structure in the gallery for replacement/relaying for bore of pipe 100 mm complete all as specified and directed.

Supplying,laying,fixing and testing of 100 mm dia DI pipe class K-09 flanged pipe on MS structure/PCC supports inside Jetty in the Gallery all as specified and directed.

Material and labour for flanged joint of size 100 mm including flanges ,rubber guskets Galvanized /cadmium coating MS nuts bolts DI specials complete laid on PCC support or MS structure of jetty in the gallery all as specified and directed.

Dismantling/ taking out old MS/DI/CI pipe from MS structure in the gallery for replacement/relaying for bore of pipe 150 mm complete all as specified and directed.

Supplying,laying,fixing and testing of 150 mm dia DI pipe class K-09 flanged pipe on MS structure/pcc supports inside Jetty in the Gallery all as specified and directed.

Material and labour for flanged joint of size 150 mm including flanges ,rubber guskets Galvanized /cadmium coating MS nuts bolts DI specials complete laid on PCC support or MS structure of jetty in the gallery all as specified and directed.

Dismantling /taking out old MS/DI/CI pipe from MS structure in the gallery for replacement/relaying for bore of pipe 300 mm complete all as specified and directed .

Supplying,laying,fixing and testing of 300 mm dia DI pipe class K-09 flanged pipe on MS structure/pcc supports inside Jetty in the Gallery all as specified and directed.

Material and labour for flanged joint of size 300 mm including flanges ,rubber guskets Galvanized /cadmium coating MS nuts bolts DI specials complete laid on PCC support or MS structure of jetty in the gallery all as specified and directed.

Supply, fix, install test and commissioning of follwing dia CI sluice valve flanged type PN 1.6 fitted with hand wheel including fixing to pipe line with gusket, nuts, bolts and washers complete and taking out old unserviceable sluice valve from pipeline all as directed.

300mm dia

150mm dia

100mm dia

Supplying,fixing testing and commissioning of New CI double flanged double ball air release valve of size 100mm dia including dismantling old unserviceable one complete all as specified and directed.

Supplying, fixing, testing and commissioning of New Hydrant valve single headed of size 80mm dia (Landing Valve single point, oblique type with SS316 Male adaptor ) complete all as specified and directed.

Supplying fixing testing and commissioning of 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 300mm bore all as specified and directed.

M&L Mild Steel framed work with ends of bars souldered, welded or reveted or forced into spikes, framed guard bars, ladders,chequred plates framed balusters, walk ways, railings, gates, frame work of tank, valvepit and similar work incl painting with one coat of red oxide primer and one coats of anticorrosive black bituminous paint incl dismantling mild steel work of any description not otherwise specially provided, incl dismantling old mild steel work all as specified and directed.