Replacement of Main Distribution Boards (MDBs), Sub-Distribution Boards (SDBs) and installation of Energy meter Boards (EMBs) in estate residential quarters at O. F. Badmal.

Amount

Replacement of Main Distribution Boards (MDBs), Sub-Distribution Boards (SDBs) and installation of Energy meter Boards (EMBs) in estate residential quarters at O. F. Badmal.

Cutting openings, through brick walls for door , window and other openings or enlarging existing openings, converting window into door openings, etc. or cutting out defective brick work for under pinning, including providing, fixing and removing shoring, cleaning and stacking bricks, removing surplus serviceable bricks, hard-core, etc. to shore and rubbish not exc. 50m.

Providing cement concrete of type C 0 1:3:6 with 12.5 mm graded coarsed aggregate in the left over excavated brick wall of residential quarters for placement of distribution Boards.

Supply and fixing of 415 Volt, 50 Hz, 3 Phase prewired factory fabricated metallic CRCA steel sheet enclosure of size (1000 x 1000 x 200) mm and thickness not less than 2 mm with duly painted. It shall have the following provisions:- (i) 10 compartments with locking arrangement for fixing single phase Energy Meters in 2 rows.The front side of the door shall be of transparent type to record the the meter reading without opening the enclosure. (ii) 5 Compartments with locking arrangement and din rail for housing MCB for 3 Phase distribution in a single row just below the 2nd row of energy meter. (iii) Fully color shrouded insulated aluminium bus bars (For 3 Phase & Neutral) of current carrying capacity not less than 100 Ampere will be provided in the 4th row for distribution of 3 phase supply separately. (iv) Earth bar will be provided vertically aside the line bus bars in the lower most chamber. (v) 2 Studs with complete accessories for Enclosure body earthing. (vi) The bus bar chamber will have single metallic detacheable door. (vii) Wiring with 6 Sq mm multistranded copper wire and colour coding to be followed as per standard practice. (viii) The scope also includes reconnection of incoming as well as outgoing power supply and making good to the surface on completion of work. (ix) It includes removal of existing energy meters from inside the quarters and refixing the same in the proposed enclosure. (x) Removal of existing concealed main distribution board of size upto (740 x 600 x 220) mm. (xi) Existing RCCBs/MCBs will be re-used for catering of power supply.

Supply and fixing of 415 Volt, 50 Hz, 3 Phase prewired factory fabricated metallic CRCA steel sheet enclosure of size ( 750 x 1000 x 200) mm and thickness not less than 2 mm with duly painted. It shall have the following provisions:- (i) 6 compartments with locking arrangement for fixing single phase Energy Meters in 2 rows.The front side of the door shall be of transparent type to record the the meter reading without opening the enclosure. (ii) 3 Compartments with locking arrangement and din rail for housing MCB for 3 Phase distribution in a single row just below the 2nd row of energy meter. (iii) Fully color shrouded insulated aluminium bus bars (For 3 Phase & Neutral) of current carrying capacity not less than 100 Ampere will be provided in the 4th row for distribution of 3 phase supply separately. (iv) Earth bar will be provided vertically aside the line bus bars in the lower most chamber. (v) 2 Studs with complete accessories for Enclosure body earthing. (vi)The bus bar chamber will have single metallic detacheable door. (vii) Wiring with 6 Sq mm multistranded copper wire and colour coding to be followed as per standard practice. (viii) The scope also includes reconnection of incoming as well as outgoing power supply and making good to the surface on the completion of work. (ix) It includes removal of existing energy meters from inside the quarters and refixing the same in the proposed enclosure. (x) Removal of existing concealed main distribution board of size upto (740 x 600 x 220 ) mm. (xi) Existing RCCBs/MCBs will be re-used for catering of power supply.

Supply and fixing of 415 Volt, 50 Hz, 3 Phase prewired factory fabricated metallic CRCA steel sheet enclosure of size (600 x 1000 x 200) mm and thickness not less than 2 mm with duly painted.It shall have the following provisions:- (i) 4 compartments with locking arrangement for fixing single phase Energy Meters in 2 rows.The front side of the door shall be of transparent type to record the the meter reading without opening the enclosure. (ii) 2 Compartments with locking arrangement and din rail for housing MCB for 3 Phase distribution in a single row just below the 2nd row of energy meter. (iii) Fully color shrouded insulated aluminium bus bars (For 3 Phase & Neutral) of current carrying capacity not less than 100 Ampere will be provided in the 4th row for distribution of 3 phase supply separately. (iv) Earth bar will be provided vertically aside the line bus bars in the lower most chamber. (v) 2 Studs with complete accessories for Enclosure body earthing. (vi) The bus bar chamber will have single metallic detacheable door. (vii)Wiring with 6 Sq mm multistranded copper wire and colour coding to be followed as per standard practice. (viii) The scope also includes reconnection of incoming as well as outgoing power supply and making good to the surface on the completion of work. (ix) It includes removal of existing energy meters from inside the quarters and refixing the same in the proposed enclosure. (x) Removal of existing 4 way concealed main distribution board of size upto (200 x 350 x 100) mm. (xi) Existing RCCBs/MCBs will be re-used for catering of power supply.

Supply and fixing of 415 Volt, 50 Hz, 3 Phase prewired factory fabricated metallic CRCA steel sheet enclosure of size (600 x 750 x 200 ) mm and thickness not less than 2 mm with duly painted. It shall have the following provisions:- (i) 2 compartments with locking arrangement for fixing single phase Energy Meters in 1 row.The front side of the door shall be of transparent type to record the the meter reading without opening the enclosure. (ii) 2 Compartments with locking arrangement and din rail for housing MCBs for 3 Phase distribution in a single row just below the row of energy meter. (iii) Fully color shrouded insulated aluminium bus bars (For 3 Phase & Neutral) of current carrying capacity not less than 100 Ampere will be provided in the lower most row for distribution of 3 phase supply separately. (iv) Earth bar will be provided vertically aside the line bus bars in the lower most chamber. (v) 2 Studs with complete accessories for Enclosure body earthing. (vi) The bus bar chamber will have single metallic detacheable door. (vii) Wiring with 6 Sq mm multistranded copper wire and colour coding to be followed as per standard practice. (viii) The scope also includes reconnection of incoming as well as outgoing power supply and making good to the surface on the completion of work. (ix) It includes removal of existing energy meters from inside the quarters and refixing the same in the proposed enclosure. (x) Removal of existing distribution board of size upto 740mm x 660mm x 190mm. (xi) Existing RCCBs/MCBs will be re-used for catering of power supply.

Supply and fixing of 240 Volt, 50 Hz, Single Phase prewired factory fabricated metallic CRCA steel sheet enclosure of size (600 x 750 x 200) mm and thickness not less than 2 mm with duly painted. . It shall have the following provisions:- (i)2 compartments with locking arrangement for fixing single phase Energy Meters in 1 row.The front side of the door shall be of transparent type to record the the meter reading without opening the enclosure. (ii) 2 Compartments with locking arrangement and din rail for housing MCBs for 3 Phase distribution in a single row just below the row of energy meter. (iii) Fully color shrouded insulated aluminium bus bars (For Single Phase & Neutral) of current carrying capacity not less than 100 Ampere will be provided in the lower most row for distribution of Single phase supply separately. (iv) Earth bar will be provided vertically aside the line bus bars in the lower most chamber. (v) Studs with complete accessories for enclosure body earthing. (vi)The bus bar chamber will have single metallic detacheable door. (vii)Wiring with 6 Sq mm multistranded copper wire and colour coding to be followed as per standard practice. (viii) The scope also includes reconnection of incoming as well as outgoing power supply and making good to the surface on the completion of work. (ix) It includes removal of existing energy meters from inside the quarters and refixing the same in the proposed enclosure. (x) Removal of existing 4 way distribution enclosure. (xi) Existing RCCBs/MCBs will be re-used for catering of power supply.

Supply & fixing of duly painted 240 Volt, 50 Hz 8 way prewired single phase modular double door distribution board of approx. size (260 x 240 x 90) mm suitable for recess mounting with thickness of sheet not less than 1.6 mm. It shall have the following provisions:- (i) Earth Bar, fully shrouded Neutral Bar and ties for cable management. (ii) MCBs shall be operable manually without opening the inner door. (iii) Studs for body earthing connection. (iv) DIN rail for mounting MCBs & metallic link for MCBs . (v) The scope includes removal of existing concealed distribution board of size (450 x 620 x 200) mm. (vi) Reconnection of incoming as wellas outgoing power supply. (vii)Existing RCCBs/MCBs will be re-used for catering the power supply. (viii)The DB specifications shall be as per IEC 61439-3 or IS/BIS standards. Make:- Preferably Shall be of Legrand/V-Guard/Havells or Equivalent Reputed Make.

Supply & fixing of duly painted 240 Volt, 50 Hz 4 way prewired single phase modular double door distribution board of approx. size ( 100 x 100 x 90 ) mm suitable for recess mounting with thickness of sheet not less than 1.6 mm. It shall have the following provisions:- (i)Earth Bar, fully shrouded Neutral Bar and ties for cable management. (ii)MCBs shall be operable manually without opening the inner door. (iii)Studs for body earthing connection. (iv)DIN rail for mounting MCBs & metallic link for MCBs . (v)The scope includes removal of existing surface mounted wooden distribution board of approximate size 380 mm x 350mm x 60 mm. (vi)Reconnection of incoming as well as outgoing power supply. (vii) Existing RCCBs/MCBs will be re-used for catering of power supply. (viii)The DB specifications shall be as per IEC 61439-3 or IS/BIS standards. Make:- Preferably Shall be of Legrand/V-Guard/Havells or Equivalent Reputed Make.

M/S PATTANAIK ELECTRICALS

Mangelal Jain

Arihant Infrastructure