Repair, maintenance of sewerage and drainage pumping main from DPS and SLS/ISLS to outfall and any other special maintenance work relating to drainage and sewerage at different location at Action Area-I under NTK project.

Dismantling of Flexible Pavements Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 100 m, stacking serviceable and unserviceable materials separately as per Technical Specifications Clause 202 for Rural Roads of MORD. (II) By Mechanical Means Bituminous Courses

Earth work in excavation of foundation trenches or drains, in all sorts of soil (including mixed soil but excluding laterite or sandstone) including removing, spreading or stacking the spoils within a lead of 75 m. as directed. The item includes necessary trimming the sides of trenches, levelling, dressing and ramming the bottom, bailing out water as required complete. (a) Depth of excavation not exceeding 1,500 mm.

Making barricading for protecting the trench to avoid any accident including making arrangement of road light during the night. (Each location)

Bailing out water by pumping including all leads and lift and including making all arrangements for disposal, where comforming flow or swapage of water is encountered and ratings of pumps and hours of operation is specially assertained as per direction of E.I.C.

Hire charges of JCB.

Withdrawing and relaying of DI/CI Pipes/ AC pipe after excavation of earth and with the help of chain pully derrick etc. by dismantling & jointing by rubber gasket joint or lead joint or flange joint and stacking the withdrawn pipes and specials at site store / road flank, godown etc. all complete in the excavated same trench & as per direcation of EIC. c) 250 mm dia to 350 mm dia

Supply of D.I. (K-7 & K-9) specials (80 mm dia to 1200 mm dia) for PHE Services for Mechanical Joints / Tyton Joint as per relevent current I.S Code under New Town Kolkata W/S. Circle, P.H.E. Dte. (G) Collar Coupling 7) 300 mm dia.

a)450 mm dia

b)500 mm dia

(J) Dismantling Joint 7) 300 mm dia.

b)500 mm dia

(K) Patch Clamp 7) 300 mm dia.

b)500 mm dia

(L) Leak Repair Clamp 7) 300 mm dia.

b)500 mm dia

(R) RUBBER GASKET FOR D.I. PIPE (SBR) QUALITY 7) 300 mm dia.

b)500 mm dia

Repairing of air valves by changing the ball with changing the requisite nuts and bolts and rubber insertion all complete as per direction of EIC.

Supply of C.I./ D.I. sluice valve (80mm dia to 1200mm dia) for PHE service for Mechanical joints/Tyton joints as per current relevant I.S. code under New Town Kolkata, PHE Dte. E) Air Valve / Pressure Release Valve : 100mm dia PN10

Ordinary Cement concrete (mix 1:1.5:3) with graded stone chips (20 mm nominal size) excluding shuttering and reinforcement,if any, In ground floor as per relevant IS codes. a) Pakur Variety

Hire and labour charges for shuttering with centering and necessary staging upto 4 m using approved stout props and thick hard wood planks of approved thickness with required bracing for concrete slabs, beams and columns, lintels curved or straight including fitting, fixing and striking out after completion of works (upto roof of ground floor) (f) 25 mm to 30 mm shuttering without staging in foundation

Hire and labour charges for shoring work (including necessary close plank walling, framing, Eucalyptus/Jhou bulla piling, strutting etc) complete as per direction of the Engineer-in-charge for foundation excavation (vertical surface are in contact with supported earth is to be measured.) (This item should be executed on specific direction of the Enginner in charge). (a) Depth upto 1.5 m.

(b) For additional depth beyond 1.5 m. and upto 3.00 m.

Reinforcement for reinforced concrete work in all sorts of structures including distribution bars, stirrups, binders etc initial straightening and removal of loose rust (if necessary), cutting to requisite length, hooking and bending to correct shape, placing in proper position and binding with 16 gauge black annealed wire at every intersection, complete as per drawing and direction. (a) For works in foundation and upto roof of ground floor/upto 4 m (i) Tor steel/Mild Steel

Derusting,brushing,cleaning and smoothening thoroughly the inner surface of spirally welded Mild steel pipes and specials by sand blasting to SA-I.Swedish specification and immediately after sand blasting applying protection coatings(Resistant to corrosion) of Drinkon Aluminium Primer 2 coats, DFT (40-50) microns each coat and Drinkon black finish 2 coats, DFT (25-30) microns each coat of Shalimar Paints Ltd. Or equivalent by spray painting in the inner surface of the pipes as per manufacturer's specification, all complete with supply of requisite materials, labour,consumable etc. including stacking of coated pipes properly as per specification, direction and satisfaction of the EIC a) 1422 mm dia.

Derusting, scraping, brushing and cleaning (to the extent of exposing the original surface) the outer surface of manufactured MS pipes and specials, applying first coat of synthetic primer Type-B as per IS: 15337:2003 of approved make over it and wrapping the same with coal tar based insulating tape 2 mm thick as per IS: 5337:2003 of approved make and applying second coat of synthetic primer Type-B (as specified above) over the first layer of insulating tape and wrapping the same with second layer of 2 mm thick coal tar based insulating tape (as specified above) in staggered pattern (including overlapping at ends) by torching etc. as per manufacturer’s specification and as per direction of EIC. Each layer of protective wrapping shall be tested with holiday detector at Contractor’s cost and the Contractors shall repair all holidays to the satisfaction of EIC at no extra cost (Payment will be made on finished area of work)

Welding in M.S. structural work with gas or electric: (b) Continuous weld.

Cutting to requisite length or shape departmental R.S. joists, channels, angles, tees, plates etc.

Engagement of Plumbing Mistry

Engagement of Plumbing Helper

Hiring charges of lifting machine(Hydra) for lifting of heavy materials.

Supply of DI (K9) pipe 300 mm dia

500 mm dia

GST @ 18% of (Sl No. 1 to 21.02) i.e. Rs. 2764842.13 @ 18%=Rs. 497671.58

CESS @ 1% of (Sl No. 1 to 22) i.e. Rs. 3262513.71 @ 1%=Rs. 32625.14