Pollution Abatement of River Teesta at Mangan Town in North Sikkim (Laying of sewer pipelines and allied works)

Amount

Laying of Pipes

Laying of ductile iron(K7) with sand bedding keeping an invert depth of 1.5 mtr. Providing and filling of trench with clean course sand, pipe laying and jointing, providing anchor blocks of varying sizes of 1:2:4 cement concrete in plum and carriage of stock materials withion 5 km radius and non stock materials within 40 km radius of the worksite.

150 mm dia (100 mtr HL)

150 mm dia ( 400 mtr H.L)

200 mm dia (100 mtr H.L)

250 mm dia (100 mtr H.L)

Layying of SN8 DWC pipes with sand bedding keeping an invert depth of 1.50 mtrs. Providing and filling of trench with clean course sand, pipe laying and jointing and carriage of stock material within 15 km radius and non stock materials within 40 km radius from the worksite.

150 mm dia (100 mtr HL)

150 MM Dia (400 mtr HL)

Shoring of trench size 1.0 x 3.0 x 2.0 m with 38 mm thick planks of local wood in uttis etc of 1.83 m and 150 mm wide

Manhole Chambers

Construction of manhole chambers of various sizes. Providing hand packed stone soling, 1:3:6/1:2:4 mix cement concrete work i/c shuttering , centering etc all complete; providing and laying 1:2:4/1:1.5:3 mix of reinforced cement concerte excluding the cost of formwork; supplying , bending and binding of steel reinforcement in all RCC works i/c the cost of binding wires; providing cement plaster as specified i/c finishing even and smooth and curing etc all complete. Carriage of stock materials within 15 km and non stock materials within 40 km.

Size- 1.0 x 1.0 x 1.2 m( 100 mtr H.L)

Size- 1.0 x 1.0 x 1.2 m( 400 mtr H.L)

Size- 1.2 x 1.2 x 1.5 m( 100 mtr H.L)

Size- 1.2 x 1.2 x 1.5 m( 400 mtr H.L)

Size- 1.0 x 1.0 x 2.0 m( 100 mtr H.L)

Size- 1.0 x 1.0 x 2.0 m( 400 mtr H.L)

Size- 1.0 x 1.0 x 2.5 m( 100 mtr H.L)

Size- 1.0 x 1.0 x 2.5 m( 400 mtr H.L)

Size- 1.0 x 1.0 x 3.0 m( 100 mtr H.L)

Size- 1.0 x 1.0 x 3.0 m( 400 mtr H.L)

Connection of HCC to manhole with

150 mm dia DWC pipe(100 mtr H.L)

150 mm dia DWC pipe(400 mtr H.L)

Inspection chamber

Construction of inspection chambers as specified. Providing hand packed stone soling; 1:3:6 mix cement concrete work i/c shuttering, centering etc all complete; providing and laying 1:2:4 mix of cement concrete excluding the cost of formwork, supplying, bending and binding tor steel reinforcement in all RCC works i/c the cost of binding wires, providing 12,5 mm thivk cement plaster of 1:4 mix in single coat i/c finishing even and smooth and curing etc all complete. Carriage of stock materials within 15 km radius and non stock materilas within 40 km.

Size-600 x 600 x 600 mm(100 mtr H.L)

Size-600 x 600 x 600 mm(400 mtr H.L)

Size-600 x 600 x 900 mm(100 mtr H.L)

Size-600 x 600 x 900 mm(400 mtr H.L)

Construction of Reinforced cement concrete beam bridge with 2 nos of column of dimension 0.45 x 0.45 x 6.0 m and beam dimension of 0.45 x 0.60 x 16.0 m. Providing and laying hand packed stone soling(6"), 1:3:6 cement concrete(4");Providing and laying 1:2:4 RCC excluding the cost of formwork;Supplying, bending and binding of reinforcement in all RCC works i/c cost of binding wires etc all complete; Carriage of stock materials within 15 km radius and non stock materialls within 40 km radius from the worksite.

Type 1(100 mtr H.L)

Type 2(400 mtr H.L)

Drainage work

Providing box drain of size- 60 cm x 45 cm

Providing box drain of size- 40 cm x 30 cm

Providing U shaped drain

Construction of RCC pillar support of size as specified below of height 2.40 m. Providing and laying RCC of 1:2:4 excluding the cost of formwork, finishing and reinforcement; Supplying, bending and binding in position tor steel reinforcement in all RCC works i/c the cost of binding wires etc all complete. Carriage of stock materila within 15 km radius and non stock materilas within 40 km from the worksite.

Size- 300 mm x 300 mm (100 mtr H.L)

Size- 300 mm x 300 mm (400 mtr H.L)

Size- 450 mm x 500 mm (100 mtr H.L)

Size- 450 mm x 500 mm (400 mtr H.L)

Construction of damaged cement concrete foothpath with hand packed stone soling(6") and cement concrete(4") works of 1:3:6. Carriage of stock materials within 5 kms and non stock materials within 30 km.

1.066 m wide( 100 mtr H/L)

1.066 m wide( 100 mtr H/L)

1.52 m wide(100 mtr H.L)

1.52 m wide(100 mtr H.L)

1.066 m wide with kota/kattapa stone cladding(100 mtr H.L)

1.066 m wide with kota/kattapa stone cladding(400 mtr H.L)

1.52 m wide with kota/kattapa stone cladding(100 mtr H.L)

1.52 m wide with kota/kattapa stone cladding(400 mtr H.L)

Road Restoration work

Road restoration with 20 mm premix carpetting and seal coat

Road restoration works with 60 mm DBM and 40 mm BC

Construction of Retaining wall in Plum concrete of 1:2:4 cement concrete mix with 50 % clean hard stone size not exceeding 15 cm i/c shuttering, compacting and curing etc all complete. Carriage of stock materials within 15 km and non stock materials within 40 km radius.

1.5 m height(100 mtr H.L)

1.5 m height(400 mtr H.L)

2.0 m height(100 mtr H.L)

2.0 m height(400 mtr H.L)

3.0 m height(100 mtr H.L)

3.0 m height(400 mtr H.L)

SANJAY CHANDAK

Suresh Kumar Mittal