Annual Rate Contract of Maintenance of sewer line network in various areas in East side KBMC Municipal limits.(For 3 years)

Amount

Excavation for pipe trenches/all type of foundations in earth, soil of all types, sand, gravel, soft murum, hard murum with boulders, soft rock etc. for all lifts including removing the excavated material up to a distance of 50m beyond the construction area, stacking and spreading as directed, including all lifts preparing the bed for bed concrete foundations etc. complete including of heavy dewatering either manually or mechanically by all means up to any extent including shoring and strutting etc. complete. (MJP SSR 20-21, Item No.3, Pg No.42)

Providing ISI standard RCC NP-III pipes in standard lengths of following class and diameter suitable for rubber ring joints, including all taxes (central and local),inspection charges, transport to stores-sites, unloading and stacking etc complete as directed by the Engineer in charge. (MJP SSR 20-21, Item No.1(e), Pg No.115)

a) 150 mm. dia.

b) 200 mm. dia.

c) 225 mm. dia.

Lowering and laying and jointing in proper grade and alignment R.C.C. pipes with

a) 150 mm. dia.

b) 200 mm. dia.

c) 225 mm. dia.

Providing and laying dry/ trap/ granite/quartzite/gneiss rubble stone soling 15 cm to 20 cm thick including hand packing and compacting etc. complete. (MJP SSR 20-21, Item No.18, Pg No.56)

Providing & laying cast in situ cement concrete in M-15 grade of trap/granite/quartzite/ gneiss metal for bed blocks. Foundation block sand such other items including bailing on water, plywood/steel framework, laying/pumping, compacting, roughening them if special finish is to be provided, finishing uneven and honeycombed surface and curing etc. complete. The C.M. 1:3 plaster is considered for rendering uneven & honeycombed surface only etc. complete. (MJP SSR 20-21, Section G Item No.16, Pg No.49)

Raising/Lowering of height of existing ircular/Trapezoidal manhole to match the road surface including removing frame & cover & re-fixing the same to required level & construction of manhole in brickwork in C.M. 1:3 coping in cc M-20 grade etc. complete as directed by Engineer.

a) Circular Manhole- 1.52 m dia. At bottom & 0.56m at top

b) Rectangular/Scrapper Manhole of 1.2 m x 0.9 m bottom & top

Providing & fixing in position steel fiber reinforced concrete (S.F.R.C.) Extra heavy duty (EHD) frame and covers of approved make including loading unloading, transportation etc. complete as directed by Engineer (MJP SSR 20-21, Item No.17(b), Pg No.226)

A) Frame & Covers

i) Circular Manhole - 0.56 m dia.

ii) Rectangular/scrapper Manhole 1.2 m x 0.9 m with 2 no of SFRC cover

Providing & fixing interception sewer trap including concrete bedding, etc. complete. Size 150 x 100 mm (MJP SSR 20-21, Item No.18, Pg No.226)

Providing and constructing Brick masonry inspection chamber 90 x 45 cm and 45 to 90 cm in depth including 1:4:8 cement concrete foundation 1:2:4 cement concrete channels half round G.S.W. pipes, brick masonry, plastering from inside and airtight RCC cover with frame fixed in cement concrete curing etc. complete. (chamber size 60 cm x 45 cm x 90 cm) (PWD SSR 20-21, Item No.1381, Pg No.200)

Removing line or lean cement concrete including stacking is as directed with all leads, lifts complete. (PWD SSR 20-21, Sr No.1381, Pg No.200)

Providing and constructing Brick masonry inspection chamber 90 x 45 cm and 45 to 90 cm in depth including 1:4:8 cement concrete foundation 1:2:4 cement concrete channels half round G.S.W. pipes, brick masonry, plastering from inside and airtight RCC cover with frame fixed in cement concrete curing etc. complete. (chamber size 60 cm x 45 cm x 90 cm) (PWD SSR 20-21, Item No.1381, Pg No.200)

Filling in plinth and floors/trenches with contractor’s murum for bedding in 15 cm to 20 cm layer including watering and compaction royalty charges etc complete. (MJP SSR 20-21, Item No1381., Pg No.200)

SHREE SAI CONSTRUCTION COMPANY

ADHIKARI RUCHIKA KANCHAN