Up-gradation and Rehabilitation of Sewer Network in Zone I Gangtok, under National River Conservation Plan - Civil Engineering Works for Major Extension and Rehabilitation works

Amount

Part 1-Cost of Civil Engineering Works for Major Extension & Rehabilitation works

Hill cutting in mixed soil 70% and soft rock 30% including throwing of spoils for 50m lead and 1.5m lift all complete and disposal of debris within 15 KM As per Annexure XII

Laying of Ductile Iron (K7) pipes with sand bedding keeping an invert depth of 1.50 mtrs. Providing & 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 Material within 5 km radius and Non Stock Material within 40 kms to the work site - (vide Annexure II)

150 mm dia - Annexure II (A) (i)

150 mm dia - Annexure II (A) (ii)

200 mm dia - Annexure II (B) (i)

200 mm dia - Annexure II (B) (ii)

250mm dia - Annexure II (C) (i)

250mm dia - Annexure II (C) (ii)

300mm dia - Annexure II (D) (i)

300mm dia - Annexure II (D) (ii)

350mm dia - Annexure II (E) (i)

350mm dia - Annexure II (E) (ii)

Laying of SN8 DWC Pipes with sand bedding keeping an invert depth of 1.50 mtrs. Providing & filling of trench with clean course sand, pipe laying and jointing,and carriage of Stock Material within 15 km radius and Non Stock Material within 40 kms to the work site - (vide Annexure XIV)

Shoring of trench size 1.00 x 3.00 x 2.00 m with 38 mm thick cement planks of local wood in Uttis etc. of 1.83 and 150 mm wide- (vide Annexure X)

Construction of Manhole Chambers of various sizes. Providing hand packed stone soling; 1:3:6/1:2:4mix cement concrete work i/c shuttering centring etx all complete; providing & laying 1:2:4/1:1.5:3 mix of reinforced cement concrete excluding the cost of formwork; supplying bending & binding tor steel reinforcement in all RCC works i/c the cost of binding wires; providing cement plaster as aspecified i/c finishing even and smooth & curing etc all complete Carriage of Stock Materials (within 15 kms) and Non Stock Materials (within 40 kms) - (vide Annexure III)

Type "1E", Size - 1.0 m x 1.0 m x 1.2 m - Annexure III A (i)

Type "1E", Size - 1.0 m x 1.0 m x 1.2 m - Annexure III A (ii)

Type "1D", Size - 1.2 m x 1.2 m x 1.5 m - Annexure III A (i)

Type "1D", Size - 1.2 m x 1.2 m x 1.5 m - Annexure III A (ii)

Type "1C", Size - 1.2 m x 1.2 m x 2 m- Annexure III A (i)

Type "1C", Size - 1.2 m x 1.2 m x 2 m- Annexure III A (ii)

Type "1B", Size - 1.2 m x 1.2 m x 2.5 m - Annexure III A (i)

Type "1B", Size - 1.2 m x 1.2 m x 2.5 m - Annexure III A (ii)

Type "1A", Size - 1.2 m x 1.2 m x 3 m - Annexure III A (i)

Type "1A", Size - 1.2 m x 1.2 m x 3 m- Annexure III A (ii)

Repair & Renovation of Manhole Chamber to facilitate Rehabilitation Works - (Vide Annexure XV)

Type "1A", Size - 1.2 m x 1.2 m x 3.0 m - Annexure XV A (i)

Type "1A", Size - 1.2 m x 1.2 m x 3.0 m - Annexure XV A (Ii)

Type "1B", Size - 1.2 m x 1.2 m x 2.5 m - Annexure XV B (i)

Type "1B", Size - 1.2 m x 1.2 m x 2.5 m - Annexure XV B (iI)

Type "1C", Size - 1.2 m x 1.2 m x 2 m - Annexure XV C (i)

Type "1C", Size - 1.2 m x 1.2 m x 2 m - Annexure XV C (iI)

Type "1D", Size - 1.2 m x 1.2 m x 1.5 m - Annexure XV D (i)

Type "1D", Size - 1.2 m x 1.2 m x 1.5 m - Annexure XV D (iI)

Type "1A", Size - 1.2 m x 1.2 m x 3.0 m - Annexure XV E (i)

Type "1A", Size - 1.2 m x 1.2 m x 3.0 m - Annexure XV E (Ii)

Type "1B", Size - 1.2 m x 1.2 m x 2.5 m - Annexure XV F (i)

Type "1B", Size - 1.2 m x 1.2 m x 2.5 m - Annexure XV F (iI)

Type "1C", Size - 1.2 m x 1.2 m x 2 m - Annexure XV G (i)

Type "1C", Size - 1.2 m x 1.2 m x 2 m - Annexure XV G (iI)

Type "1D", Size - 1.2 m x 1.2 m x 1.5 m - Annexure XV H (i)

Type "1D", Size - 1.2 m x 1.2 m x 1.5 m - Annexure XV H (iI)

Construction of Inspection Chambers of size 600mm x 600mm x 600mm depth. Providing hand packed stone soling; 1:3:6 mic cement concrete work i/c shuttering centring etx all complete; providing & laying 1:2:4 mix of reinforced cement concrete excluding the cost of formwork; supplying bending & binding tor steel reinforcement in all RCC works i/c the cost of binding wires; providing 12.5 mm thick cement plaster of 1:4 mixin single coat i/c finishing even and smooth & curing etc all complete

Size - 600mm x 600mm x 600m - Annexure IV A (i)

Size - 600mm x 600mm x 600m - Annexure IV A (iI)

Size - 600mm x 600mm x 900m - Annexure IV B (i)

Size - 600mm x 600mm x 900m - Annexure IV B (Ii)

Construction of Reinforced Cement Concrete Beam Bridge of size 0.45 m x 0.45 m x 6.00 m (height) (2 Nos) of beam length 16 mtrs. Providing & laying hand packed stone soling (6"), 1:3:6 Cement Concrete (4"), Providing and laying 1:2:4 RCC excluding cost of formwork, finishing & reinforcement, Supplying bending and binding in position Tor Steel Reinforcement in all RCC Works i/c cost of binding wires etc all complete.

Annexure VI (i)

Annexure VI (iI)

Provision for drains - (vide Annexure XII)

Providing Box Drain of 60 cm (ht) x 45 cm (width) of internal dimension as per sepcifications for this item in SOR 12, PWD, Govt. of Sikkim

Providing Box Drain of 40 cm (ht) x 30 cm (width) of internal dimension as per sepcifications for this item in SOR 12, PWD, Govt. of Sikkim

Providing "U" as per sepcifications for this item in SOR 12, PWD, Govt. of Sikkim

Construction of RCC Pillar Support of size as specified below of height 2.40 m. Providing and layin RCC of 1:2:4 excluding the cost of formwork finishing & 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 Materials (within 5 kms) and Non Stock Materials (within 30 kms) with an Average Head Load of 100 mtrs (vide Annexure V).

size 300 mm x 300 mm - Annexure V A (i)

size 300 mm x 300 mm - Annexure V A (ii)

size 450 mm x 500 mm - Annexure V B (i)

size 450 mm x 500 mm - Annexure V B (ii)

Construction of damaged Cement Concrete footpath with hand packed stone soling (6") and Cement Concrete (4") works of 1:3:6 mix for a width of 1.00 mtr. Carriage of Stock Materials (within 5 kms) and Non Stock Materials (within 30 kms) Average head load of 100 mtrs (vide Annexure VII).

1.066m wide - Annexure VII A (i)

1.066m wide - Annexure VII A (ii)

1.52m wide - Annexure VII B (i)

1.52m wide - Annexure VII B (ii)

1.066 wide with cladding - Annexure VII C (i)

1.066 wide with cladding - Annexure VII C (ii)

1.52m wide with cladding - Annexure VII D (i)

1.52m wide with cladding - Annexure VII D (ii)

Road Restoration works

Road Restoration with 20 mm premix carpetting and seal coat - vide Annexure IX (a)

Road restoration works with 60mm Dense Graded Bitumonous Macadam and 40mm Bitumionous Concrete Wearing Course - vide Annexure IX (b)

Construction of Retaining wall in Plum Cement Concrete of 1:2:4 Cement Concrete mix with 50 % clean hard stone sizes not exceeding 15 cm i/c shuttering, compacting & curing etc all complete. Carriage of Stock Materials (within 15 kms) and Non Stock Materials (within 40 kms) & Head Load as specified - as per sepcified heights - (vide Annexure VIII)

1.5m height - Annexure VIII A (i)

1.5m height - Annexure VIII A (ii)

2.0m height - Annexure VIII B (i)

2.0m height - Annexure VIII B (ii)

3.0m height - Annexure VIII C (i)

3.0m height - Annexure VIII C (ii)

PART 2 - Rennovation of 4.69 MLD STP, Adampool Gangtok Zone I

Repairing of Flow transmitter including laying of cable if needed with necessary termination of cable with changing of terminals push buttons to working condition and commissioning

Repairing of incoming gates. ( Removing, dismantling, servicing required, oiling and greasing excluding materials) .

Repairing of grit classifier. (Removing, making of shaft with pionium and coupling , oiling greasing and fixing the same excluding materials.

Repairing or replacing of gear box of Grit Classifier including shaft oiling and greasing, totally fixing with required gear ratio for proper functioning and commissioning. Gear box totally broken)

Repairing of Grit separator With gear box, checking of Scraper with rubber squeezer replacing, fixing of Gear box with motor with total servicing

Servicing of belt conveyor with gear box, motor , oiling and greasing and bring the unit to operation with required operation (including material)

Repairing of Mechanical Jash Screen and Jash Screen Electrical panel with change in bearing terminal points switches display lights , resisting springs, rollersand fixing of bars as per requirement and brining the unit in operation. (including material)

Flushing of MBBR tank 1 and 2 with clearing of airline choke for maintaining proper Dissolved Oxygen in both the tank and bringing the tank to proper operation.

Repairing of Claritube Settler bridge with Gear box repairing , fixing of rail, chain drive, roller bearing Changing of spares of CTS panel with motor fixing , oiling, greasing and bringing the Claritube settler system to operation.

Ordering and fixing of missing tubemedia from manufacturer and arranging as per needed for proper functioning of tube media

Supply and fixing of 2 nos Submersible pumps in Sludge sump with required specifications and fixing of piping line as per requirement.

Repairing of 2 nos Centrifuge with required bearing oiling and greasing, with Centrifuge panel repairing and fixing with proper operation.

Servicing of 3 nos Air blowers with filters, bearing lobe servicing blower alignment or any thing required for proper functioning of blowers with installation of new pressure gauges.

Total plant lighting change with junction box and internal termal , capacitors resistors, etc with cable replacing if damaged and replace light fitting to LED lights including materials

Painting of all civil structures and mechanical units including Structural steel cable tray supports pipe supports, piping for total painting of 4.69 MLD STP.(including materials)

Reparing of MCC Panel with required Fuses, indication lights, push buttons, RRCB, MCB etc for proper functioning of the plant.

Supply of Office table, Chairs, almirah, refilling of Fire extinguishers.

Clearing of drying bed

Clearing of all retaining tanks

Provision for lab equipments & chemicals

Provision for Diversion

PART 3 - Renovation of 3.9 MLD Plant, Sichey, GANGTOK

Repairing of Flow transmitter including laying of cable if needed with necessary termination of cable with changing of terminals push buttons to working condition and commissioning

Repairing of incoming gates. ( Removing, dismantling, servicing required, oiling and greasing excluding materials) .

Repairing of grit classifier. Total arrangement to be taken out , fabrication of arm, shaft , flywheel, total alignment and erection.(Removing, making of shaft with pinion and coupling , oiling greasing and fixing the same excluding materials.

Repairing or replacing of gear box of Grit Classifier including shaft oiling and greasing, totally fixing with required gear ratio for proper functioning and commissioning. Gear box totally broken)

Repairing of Grit separator With gear box, checking of Scraper with rubber squeezer replacing, fixing of Gear box with motor with total servicing

Servicing of belt conveyor with gear box, motor , oiling and greasing and bring the unit to operation with required operation (including material)

Repairing of Mechanical Jash Screen and Jash Screen Electrical panel with change in bearing terminal points switches display lights , resisting springs, roller sand fixing of bars as per requirement and brining the unit in operation. (including material)

Flushing of MBBR tank 1 and 2 with clearing of airline choke for maintaining proper Dissolved Oxygen in both the tank and bringing the tank to proper operation.

Repairing of Claritube Settler bridge with Gear box repainting , fixing of rail, chain drive, roller bearing Changing of spares of CTS panel with motor fixing , oiling, greasing and bringing the Claritube settler system to operation.

Clearing of tank with fixing rubber squeezer, checking of scraper alignment, and epoxy painting of structural trusses.

Servicing and fixing of 2 nos Screw pumps, checking of rotor and stator in Sludge sump with required specifications and fixing of piping line as per requirement.

Repairing of 1 nos Centrifuge with required bearing oiling and greasing, with Centrifuge panel , if VFD is ok or not repairing and fixing with proper operation.

Servicing of 3 nos Air blowers with filters, bearing lobe servicing blower alignment or anything required for proper functioning of blowers with installation of new pressure gauges.

Total plant lighting change with junction box and internal termal , capacitors resistors, etc with cable replacing if damaged and replace light fitting to LED lights including materials

Painting of all civil structures and mechanical units including Structural steel cable tray supports pipe supports, piping for total painting of 4.69 MLD STP.(including materials)

Repairing of MCC Panel with required Fuses, indication lights, push buttons, RRCB, MCB etc for proper functioning of the plant.

Checking of chlorination system and Polydosing system, oiling of pumps, servicing and arranging piping as per required. Changing of HDPE pipe arrangement to UPVC pipe for better functioning with proper structural support and clamps.

Clearing of drying bed

Clearing of all retaining tanks

Provision for lab equipments & chemicals

Provision for Diversion

PART 4 - Renovation of 8 MLD Plant, Adampool, Gangtok Zone I

Repairing of incoming gates. (Removing, dismantling, servicing required, oiling and greasing excluding materials) .

Repairing of grit classifier, servicing, oiling changing of bearings, rollers .(Removing, making of shaft with pinion and coupling , oiling greasing and fixing the same.

Repairing of Grit Separator With gear box, checking of Scraper with rubber squeezer replacing, fixing of Gear box with motor with total servicing

Flushing of MBBR tank 1 and 2 with clearing of airline choke for maintaining proper Dissolved Oxygen in both the tank and bringing the tank to proper operation.

Repairing of Claritube Settler bridge with Gear box repainting , fixing of rail, chain drive, roller bearing Changing of spares of CTS panel with motor fixing , oiling, greasing and bringing the Claritube settler system to proper operation.

Clearing of tank with fixing rubber squeezer, checking of scraper alignment, etc for proper functioning of CTS.

Supply and fixing of 2 nos Submersible pumps in Sludge sump with required specifications and fixing of piping line as per requirement.

Servicing of 3 nos Air blowers with filters, bearing lobe servicing blower alignment or anything required for proper functioning of blowers with installation of new pressure gauges.

Repairing of 1 nos Centrifuge with required bearing oiling and greasing, with Centrifuge panel , if VFD is ok or not repairing and fixing with proper operation.

Total plant lighting change with junction box and internal thermal , capacitors resistors, etc with cable replacing if damaged and replace light fitting to LED lights including materials

Painting of all civil structures and mechanical units including Structural steel cable tray supports pipe supports, piping for total painting of 8 MLD STP.(including materials)

Repairing of MCC Panel with required Fuses, indication lights, push buttons, RRCB, MCB etc for proper functioning of the plant.

Clearing of drying bed

Clearing of all retaining tanks

Provision for lab equipments & chemicals

Provision for Diversion

PART 5 - Construction of Holding Tank (Activating Trickling Filter System), and Other Reconditioning and Augmentation Works in STP Complex in Adampool

Clearing of HRTF and ST of debris.

Chipping/Dismantelling of old RCC flooring and the plasters of wall etc and throwing of debris in designated place by mannual means.

P/Laying 1:1.5:3 RCC in position specified grade of reinforced cement concrete excluding the cost of formwork,finishing and reinforcement.

S/B/B in reinforcement in RCC wprks including cost of binding wire al complete

P/L 20 mm thick cc plaster in 1 : 3 mix i/c finishing even and smooth anad curing etc all complete.

Carriage of Stock Materials

Loading and Unloading of stock Materials by Manual means or stacking.

Cost of Haulage (10km)

Carriage of non stock materials to work site within 40KM for particular

Loading and Unloading of Non-stock Materials by Manual means or stacking (sand)

Loading and Unloading of Non-stock Materials by Manual means or stacking (stone)

Cost of Haulage

Provision for making floor scrubber for sedimentation tank inclusive of motor mechanism

Provision for making inlet with screen and outlets for each tank including intallation of control valves

Provision for repair of electrifiation line etc. at STP Zone 1, inclusive of provision for supply and installation of backup inverter

Provision for reconditioning of pipes

Repair of pump House

Laying of 150 mm D.I pipe

Construction of manhole chambers 1.2mx1.2mx2m

Construction of foothpath - 1.52m wide with cladding - Annexure VII D (i)

Provision for fencing to separate plant area from family residential complex

Supply of pipes and fittings inclusive of GST & STCS comm (150mm dia)

Supply of Machines and tools

1 HP PUMP

3 HP PUMP

5 HP PUMP

7 HP PUMP

Grinding machine

Multimeter

Ultrasonic Flow meter

Submersible pump

Gear box

Blower belt

wheel barrow

18% GST on item no 92

Setting up of new centrifuge system

80 mm D.I pipe (inclusive of STCS comm & GST)

Pipe jointing

Supply of pumps - sumersible ABS-MF 804 DKS or equivalent or others as specified

18% GST on item no 92.03

Intallation of pump including electrification

Provision for Stand-by Blower & Motor

Everest Air cooled Blower 710 9complete with all standard accessories)

Everest 40 HP standard electric motor

Carraige and packaging

18% GST on item no 94.01 & 94.02

Provision for construction chemcials, saftey equipments & clothing

Labour Welfare Cess, @ 1%

Sibin Group