Kolkata Municipal Corporation Tender

Supplying sign-board made of 25 mm thick sal plank with frame on all side of sal batten 50 mm x 32 mm with nailed on post 3.15mx100mmx100mm and fitting fixing such with digging holes of dia 300 mm and depth 750 mm in all sorts of soil and repacking and consolidating the gap around the post with cement concrete (1 : 3 : 6) painting 2 coats including cost of nails, bolts and nuts etc. complete in all respect as per direction of the Engineer-in-charge.Payment of concrete and painting to be made separately. (ii) 900 mm. x 600 mm. size of board.

Hire & labour charges for diesel generating set for lighting including fuel,300M wire, 11 points with 200 Watt bulb with post for hanging & maintaining the same for day & night for the period.

Hire charges for engaging Air Compressor machine with minimum pressure capacity of 5.0 Kg/sq.cm arrangement including all necessary equipments and operating staff, carriage, fuel, Tools and plants all complete for cutting Road / hard crust cutting with pneumatic hammer at desired point in water supply works as per direction of EIC . a) With Pneumatic hammers For minimum engagement of 8 hrs. In a day

Lead jointing to C.I pipes and specials with supply of lead and spun yarn all complete to make the joint water tight at required hydraulic pressure as per specification & direction of the Engineer-in-charge. (Lead shall be supplied departmentally to the Agency at specified Issuerates and cost thereof shall be recovered from the. works Bill of the Agency] Diameter in mm 300mm dia

Lead jointing to C.I pipes and specials with supply of lead and spun yarn all complete to make the joint water tight at required hydraulic pressure as per specification & direction of the Engineer-in-charge. (Lead shall be supplied departmentally to the Agency at specified Issuerates and cost thereof shall be recovered from the. works Bill of the Agency] Diameter in mm 100mm dia

Excavation of trial pit (3.0 m x 1.0 m x (upto) 3.0 m) for fixing of pumping main, washout line raking every detection against damage of S.W. pipe line electrical cable etc. as underground obstruction including 37.5 mm timber shuttering, earth cutting, dewatering, barricading and back filling etc. as per directionj of E-I-C

Cast Iron / Ductile Iron Pipes and Specials M.S. Pipes and Specials Shifting house connection or stand post connection from existing main to new main after excavation through any kind of soil and road materials up to required depth. dismantling existing ferrule with all fittings. plugging hole of old main with G.I. plug. drilling and tapping the new main. refixing the ferrule on the new main with serviceable old G.I pipes and other specials (New G.l. pipes and other specials. if required to be installed shall be paid extra) and back filling the trench with excavated materials all complete as per specification and direction of the Engineer- in-Charge.

Brick work with 1st class bricks in cement mortar (1:4) (a) In foundation and plinth

Single Brick Flat Soling of picked jhama bricks including ramming and dressing bed to proper level and filling joints with local sand.

Cement concrete with graded jhama khoa (30 mm size) excluding shuttering In ground floor and foundation (b) 1:4:8 proportion

Supplying, fitting and fixing with cement jointing (3:1) salt glazed stoneware pipe including excavation of earth upto 1.50 metre depth in all sorts of soil both mixed or unmixed and refilling (but excluding concreting at bottom and sides).(iii) 150 mm

Supplying, fitting and fixing with cement jointing (3:1) salt glazed stoneware pipe including excavation of earth upto 1.50 metre depth in all sorts of soil both mixed or unmixed and refilling (but excluding concreting at bottom and sides).(ii) 225 mm

Original Works 1. Supplying,fitting and fixing brass ferrule including connection with G.I. pipes of TATA make of following dia. and upto 450 mm long with screw,jamnut,sockets etc.,complete in all respect, including cutting trenches in all sorts of soil and filling up the trenches as per direction of the Engineer - in - Charge. (iii) 15 mm dia.

Supplying,fitting and fixing brass ferrule including connection with G.I. pipes of TATA make of following dia. and upto 450 mm long with screw,jamnut,sockets etc.,complete in all respect, including cutting trenches in all sorts of soil and filling up the trenches as per direction of the Engineer - in - Charge. (ii) 20 mm dia.

D.I. SPUN PIPE 100 MM (4")(TYTON JOINT) CONFORMING TO IS: 8329/2000 CLASS 7...........ZINC COATING AS PER CLAUSE A-8(AS PER ORDER OF C.S.&P OF DTD-06/04/23).

Disinfection of water main by filling with water containing bleaching powder of sufficient quantity capable of maintaining a residual chlorine concentration of 10mg/l within the main after a detention period of two hours and flushing the same with fresh water all complete as per specification and direction of the Engineer-in- Charge.[After successful completion of the process, disposal of water and bacteriological testing of sample of flushed out water from the mains should be made at no extra cost] Diameter in mm 100

Hydraulically testing of C.l./D.I/A.C pipe lines in sections, under a head of water not less than 60m{6Kg/Cm....pressure) or above as per specific requirements by filling the main with supply of water including supply of all specials and equipments like pump sets, gauges, end caps blank flange etc.all complete as per specification and direction of the Engineer-in-Charge.[After successful completion of test. removal of ancillary specials.equipments. plugging arrangements and disposal of water sholl be made at no extra cost] Diameter in mm 100

Dewatering by pumps including all leads, lifts and making all arrangements of disposal. where continuous flow of water from a source other than natural or ground water is encountered in case of emergency maintenance works related to leakage. breakage and making wet connections. [Note ;- In case of any other situation demanding such emergency dewatering. use of this item is to be approved by the Superintending Engineer/Tender Accepting Authority. This item shall be executed on the specific direction duly supported by proper clarification of the E.I.C. who will be satisfied in absolute discretion that such work has not been necessitated due to any natural source of water or any fault of the Contractor]

Signalling arrangement at both sides of site to avoid any accident during working period 4 nos. red flags during sunlight at 4 corners and 2 nos light (lamp) in other than sunlight.

All types of Ductile Iron (D.I) Specials (viz. Bend. Tee. Taper. Tail piece etc), size conforming to I.S. Specification No. 9523/2000 with cement mortar lining (inside) and bituminous coating (outside). (25% of payment will be held up till successful hydraulic testing) b) Doubled Socketed Bend 100 mm to 300mm dia

All types of Ductile Iron (D.I) Specials (viz. Bend. Tee. Taper. Tail piece etc), size conforming to I.S. Specification No. 9523/2000 with cement mortar lining (inside) and bituminous coating (outside). (25% of payment will be held up till successful hydraulic testing) a) All Socket Tee 100 mm to 300mm dia.

All types of Ductile Iron (D.I) Specials (viz. Bend. Tee. Taper. Tail piece etc), size conforming to I.S. Specification No. 9523/2000 with cement mortar lining (inside) and bituminous coating (outside). (25% of payment will be held up till successful hydraulic testing)c) Tail Piece 100 mm to 300mm dia.

Supplying, fitting and fixing of C.I. Mechanical Compression Long Sleeve Collar Coupling (popularly known as Cut-N-Repair Coupling) suitable for jointing C.I. Spun Pipes (as per IS: 1536) and D.I. Pipes (as per IS: 8329) with BS:1211 Class-B Pipes. The Couplings will be supplied complete with Sealing Rubber Gasket of EPDM quality (IS:5382/1985 Type-4), Cast Iron Follower Glands and Mild Steel (Zinc Coated) Nut Bolts . The whole assembly should be mechanically and hydraulically tested to the provisions as laid down in IS: 1538. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. Diameter in mm. with minimum barrel pipe length in mm. 100mm with length 300mm.

Filling in foundation or plinth by silver sand in layers not exceeding 150 mmas directed and consolidating the same by thorough saturation with water,ramming complete including the cost of supply of sand. (payment to be made on measurement of finished quantity)

Supplying, fitting and fixing of C.I. Mechanical Compression Long Sleeve Collar Coupling (popularly known as Cut-N-Repair Coupling) suitable for jointing C.I. Spun Pipes (as per IS: 1536) and D.I. Pipes (as per IS: 8329) with BS:1211 Class-B Pipes. The Couplings will be supplied complete with Sealing Rubber Gasket of EPDM quality (IS:5382/1985 Type-4), Cast Iron Follower Glands and Mild Steel (Zinc Coated) Nut Bolts . The whole assembly should be mechanically and hydraulically tested to the provisions as laid down in IS: 1538. Fitting and fixing should be in proper position with proper care of main pipe line for leak proof condition. Diameter in mm. with minimum barrel pipe length in mm. 150mm with length 300mm.

8.6Cost iron double flanged manually operated sluice valves generally conforming to IS 14846 : 2000, having four faces and spindle nut of gunmetal. inside screw non- rising type quality gunmetal /AISI 410 spindle: seat tested to 10kg/CM... and body tested to 15kg/CM..., flanges flat faced and drilled to 1.S.: 1538 : 1993. Painted black all over with asphalt base paint. Valves tested by closed end method. NB Diameter in mm 100

Lowering, fitting and fixing of all types of valves in proper position and alignment using chain pully block or crane(for diameter above 250 mm) by providing temporary support,as required,gaskets,nuts& bolts etc.all cornplete as per specification and direction of the Engineer-in-Charge.[The rate Includes cost of flange joints]50mm dia.

Removal of rubbish,earth etc. from the working site and disposal of the same beyond the compound, in conformity with the Municipal / Corporation Rules for such disposal, loading into truck and cleaning the site in all respect as per direction of Engineer in charge

Water Bound Macadam Sub Base by consolidating Jhama metal / Laterite chelly or stone metal / shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (ii) For Construction of Sub Base by consolidating Brick Bats / Laterite (90 mm to 45 mm) ( Ref :PWD (Rds & Brdgs)-2018, It. No. 4.10 (ii) Page No.247 & page-222 sl. No-5 (f))

Water Bound Macadam Sub Base by consolidating Jhama metal / Laterite chelly or stone metal / shingles of specific size in hard crust to requisite thickness (measured after compaction) in layers including screening of metals etc. as necessary, hand packing, sweeping, watering and rolling in stages with power roller to proper line, grade and camber, lighting, guarding & barricading and making necessary earthen bundh of one metre width on each side where necessary to protect edges and preparing the bed by necessary cutting or filling and rolling all complete including the cost of all materials and hire and labour charges of all men and machineries and compacting to the required density, as per Clause 404 of Specifications for Road & Bridge Works of MoRT&H (5th Revision). (i) For Construction of Sub Base by consolidating Jhama metal / Laterite (63 mm to 45 mm) (Moorum replaced with course sand) ( Ref :PWD (Rds & Brdgs)-2018, It. No. 4.10(i) Page No.247 & page-222 sl. No- 1 & 5 (e))

Sub Total

GST 18%

CESS 1%