WBPHED/EE/MAAD/NIeT _10 of 2025-2026. Sl. No. 01

A) Anthracite (Coal & Sand) of size 1 mm to 4 mm depth = 300 mm @ 1100kg/cu.m (ref memo-759-762/NBC-II DT-25/9/2019)

B) Filter Sand (16/32 mesh) of depth = 400 M @ 1500 km/cu.m (ref memo-759-762/NBC-II DT-25/9/2019)

C) Gravel Size. i) 20 mm to 12 mm (100 mm depth) ii) 12 mm to 6 mm (100 mm depth) i) 6 mm to 3 mm (100 mm depth) Weight of gravels @ 2250 kg/cu.m

Activated Alumina Weight @ 830 kg/cu.m

A) 100 mm dia CIDF line including cost of pipe.WBPHED/EE/MD/NIeT _55 of 2024-2025 Group Sl- 10

B) Cost of pressure gauge (ref memo-759-762/NBC-II DT-25/9/2019)

i) 50 mm dia.

ii) 80 mm dia.

Priming one coat on steel or other metal surface with synthetic oil bound primer of approved quality including smoothening surfaces by sand papering etc.

Painting with best quality synthetic enamel paint of approved make and brand including smoothening surface by sand papering etc. including using of approved putty etc. on the surface, if necessary. Inside side wall for filter & oxidation chamber & dish of vessel 2 coats including i) Wall, ii) Top & Bottom Wall, iii) Bed plate both side. Outside of vessell & all exposed pipe line including different dia CIDF pipe.WBPHED/EE/MD/NIeT _55 of 2024-2025 Group Sl- 10

Cost of stainer including fitting, fixing in hole with proper tightness all complete.(ref memo-759-762/NBC-II DT-25/9/2019)

Labour for placement of Media into vessels ( As per Analysis )

Transport cost of media ( As per Analysis) For 100 KM

Scraping of moss, blisters etc.thoroughly from exterior surface of walls necessitating the use of scraper, wire brush etc.(Payment against this item will be made only when this has been done on the specific direction of the Engineer-in-charge) [Sludge seperation Bed (Inside wall), Sludge seperation Bed and Filtrate Collection sump (Out side wall), Sludge seperation Bed (floor), Filtrate collection Sump (inSide Wall), Filtrate collection Sump (floor),Sludge Storage Tank(Twin Unit)(inside wall), Sludge Storage Tank(Twin Unit)(Outside wall), Sludge Storage Tank(Twin Unit)(floor)] REF PWD SCH VOL-I VP-198/2017

Removal of gravel. sand, rubbish. earth ete. from the working site and disposal of the same beyond the compound, in conformity with the Municipal/Corporation Rules for such disposal. (A) 2 Nos Filter Bed (Primary);- (ii) Gravel :- 4.30 X 3.40 X 0.150 = 2.193 M3 (ii) Gravel ;- 4.30 X 3.40 X 0.100 = 1.462 M3 (iii) Gravel ;- 4.30 X 3.40 X 0.075 = 1.097 M3 (iv) Gravel ;- 4.30 X 3.40 X 0.075 = 1.097 M3 (B) 2 Nos Filter Bed (Secondery) :- (i) Sand ;- 4.30 X 3.40 X 0.200 = 2.294 M3 (ii) Sand : - 4.30 X 3.40 X 0.200 = 2.294 M3 A) Anthracite (Coal & Sand) of size 1 mm to 4 mm depth = 300 mm @ 1100kg/cu.m B) Filter Sand (16/32 mesh) of depth = 400 M @ 1500 km/cu.m C) Gravel Size. i) 20 mm to 12 mm (100 mm depth) ii) 12 mm to 6 mm (100 mm depth) i) 6 mm to 3 mm (100 mm depth) Weight of gravels @ 2250 kg/cu.m Activated Alumina Weight @ 830 kg/cu.m Sludge seperation Bed (floor) REF PWD SCH VOL-I VP-12/2017

(C) With (4:1) Cement mortar (i ) 10mm. Thick plaster

Neat cement punning in wall /dado, window sills, floor drains etc. in all floors about 1.5mm thick.

Applying Exterior grade Acrylic primer of approved quality and brand on plastered or cencrete surface old or new surface to receive decorative textured(matt finish) or smooth finish acrylic exterior emulsion paint including scraping and preparing the surface throughly, complete as per manufacturer's specification and as per direction of the EIC. In Ground Floor: a) One Coat.

Protective and Decorative Acrylic exterior emulsion paint of approved quality, as per manufacturer's specification and as per direction of EIC to be applied over acrylic primer as required. The rate includes cost of material, labour, scaffolding and all incidental charges but excluding the cost of primer. In Ground floor (Two Coat) a) Normal Acrylic Emulsion.

Add Includng GST @18%

Add Includng CESS @1%