CLEANING OF WATER SUMP AND TESTING OF WATER AND ALLIED WORKS AT DIFFERENT PUMP HOUSES AT MIL STN AGARTALA

Amount

Schedule'A' Part-I: External Water Supply

Testing of raw water sample (collected from bore well) in Govt NABL laboratory and submit test report from different pump houses at Mil Stn Agartal for the following test : (a) Iron Test, (b) Chlorine test, (c) Turbidity test, (d) Hardness test, (e) TDS test. complete as directed.

Testing of treated water sample (collected from user end) in Govt NABL laboratory and submit test report from different pump houses at Mil Stn Agartal for the following test : (a) Iron Test, (b) Chlorine test, (c) Turbidity test, (d) Hardness test, (e) TDS test. complete as directed.

Material and labour for cleaning of existing clear water tank by carrying out the following works all as specified and directed. (i) Removing the slidge, mud and dissolved iron water from the clear water tank (ii) Scrubbing the algae from the walls corners etc completely by using wire brush and bleaching powder all as specified and directed .

Material and labour for cleaning of existing reserve water overhead tank of capacity 2 lakhs gallon by carrying out the following works all as specified and directed. (i) Removing the slidge, mud and dissolved iron water from the reserve water tank (ii) Scrubbing the algae from the walls corners etc completely by using wire brush and bleaching powder all as specified and directed .

Material and labour for cleaning of existing reserve water overhead tank of capacity 1 lakhs gallon by carrying out the following works all as specified and directed. (i) Removing the slidge, mud and dissolved iron water from the reserve water tank (ii) Scrubbing the algae from the walls corners etc completely by using wire brush and bleaching powder all as specified and directed .

Material and labour for cleaning of existing Sedimentation tank by carrying out the following works all as specified and directed. (i) Removing the slidge, mud and dissolved iron water from the sedimentation tank (ii) Scrubbing the algae from the walls corners etc completely by using wire brush and bleaching powder all as specified and directed .

Material and labour for cleaning of existing Rapid sand fiter tank by carrying out the following works all as specified and directed. (i) Removing the slidge, mud and dissolved iron water from the rapid sand filter tank (ii) Scrubbing the algae from the walls corners etc completely by using wire brush all as specified and directed .

Excavation in trenches, n exc 1.5m wide and n exc 1.5m in depth in soft/loose soil for foundation etc, or for shafts, wells/laying of pipeline cesspits, manholes, pier holes, etc. n exc 10 sq m on plan and n exc 1.5m in depth and getting out.

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

Removing excavated material n exc 50m and deposting where directed at a level n exc 1.5m above the starting point.

Taking up cast iron water mains of 150 mm dia (including all fittings), with spigot and socket ends and lead joints including burning out joints and recovering lead complete all as directed. Note : Excavation will be paid and measured separately under relevant items.

All as per item No. 11 here-in-before but of size 100mm dia CI pipe.

All as per item No. 11 here-in-before but of size 80mm dia CI pipe.

Re-laying of Cast iron (CI) pipes of 150mm bore with spigot & socket ends, centrifugally cast, class K-7, in any length after cleaning, laid in trenches including testing complete all as specified and directed.

All as per item No. 14 described here-in-before but of 100mm bore CI pipe.

All as per item No. 14 described here-in-before but of 80mm bore CI pipe.

Material & Labour for ductile iron pressure pipe 150 mm bore centrifugally cast with socket & spigoted ends Class K- 9, ISI marked duly embossed suitable for (push on joint) rubber gasket D jointing with inside cement mortar lining with internal metalic zinc coating and external black bitumen coating including jointing material complete all as specified and as directed. Make - Electrosteel Casting Ltd or equivalent.

Material & Labour for ductile iron pressure pipe 100 mm bore centrifugally cast with socket & spigoted ends Class K- 9, ISI marked duly embossed suitable for (push on joint) rubber gasket D jointing with inside cement mortar lining with internal metalic zinc coating and external black bitumen coating including jointing material complete all as specified and as directed. Make - Electrosteel Casting Ltd or equivalent.

Material & Labour for ductile iron pressure pipe 80 mm bore centrifugally cast with socket & spigoted ends Class K- 7, ISI marked duly embossed suitable for (push on joint) rubber gasket D jointing with inside cement mortar lining with internal metalic zinc coating and external black bitumen coating including jointing material complete all as specified and as directed. Make - Electrosteel Casting Ltd or or equivalent.

Taking up Galvanised iron (GI) water mains of 100 mm dia (including all fittings)complete all as directed. Note : Excavation will be paid and measured separately under relevant items.

Re-laying of Galvanised iron (GI) water mains of 100 mm bore including all fittings in any length after cleaning, laid in trenches including testing complete all as specified and directed.

Material & labour for DI Fittings Bends upto 150mm dia (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) collers, caps suitable for spigot and socketed pipes all as specified .

Material & labour for filling filter media of Rapid sand filter as per OEM recommended layer procedure for specific approved size and material of following :-

(i) 6"/150 mm of 20 x 30mm gravels.

(ii) 4"/100 mm of 12 x 20 mm gravels .

(iii) 6"/100 mm of 06 x 12 mm gravels.

(iv) 20" /450mm of 10-32 mesh sand

Taking out old MCB TP and Supply & fixing MCB (higher rationg), 'C' curve, 100 Amp, Triple pole (TP) in existing panel complete all as specified and directed. Make - Havells, Model - DHMJCTPF100

Supply & fixing connecting and testing of CI sluice valve ,ISI marked duly embossed 150 mm bore both ends flanged,with CI body and brass spindel with bolts and nuts ,operating wheel etc. non rising type class PN-1.0 including ,jointing material rubber gasket, complete all as specified and directed. MAKE : RMCO/ ZOLOTO/ UPADHAYA/ LEADER

M/S Ajoy Acharjee

M/S PAUL ENTERPRISE