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| 1 | Tender Inviting Authority: Name of Work: Sewerage system, Sewer pipeline maintenance and related miscellaneous jobs for attending breakdown maintenance/ modification jobs at Anushaktinagar, Mandala area and Western Sector area, Mumbai NIT No: DCSEM/CQD/QSB/25-26/NIT/77 dt.10.03.2026 1) The work is to be carried out with safety and conveniance to EIC. 2) The contractor has to provide all safety tools & plants to the labourers. 3) The contractor has to arrange a full time supervisor for the work. 4) All safety & security regulations shall be followed strictly as per specifications & conditions of contract. 5) The agency shall visit the site area and buildings before quoting the the rate. 6) The contractor shall provide a sleeveless Jacket to the workers in pattern, colour showing name of contractor with address and telephone number as approved by the Engineer in charge. All the workers must wear the same while on duty. 7) Security measures to be followed by the contractor : i) Contractor should provide uniform to all regular labour and fluorescent visi wears to all casual labour deputed at site for proper identification. ii) The contractor should issue I-Card to all workers deployed on regular basis and list of such workers vetted by site Engineer should be submitted to DCSEM Security at Main Gate. iii) The supervisor of contractor having photo pass shall bring daily wages workers/ casual workers inside premises for work subject to following conditions:a) He should prepare list of such workers in duplicate. The original copy would be handed over to DCSEM security at Main Gate and obtain endorsement on duplicate copy and the duplicate copy would remain with the contractor. (b) Departmental staff deputed to supervise the work has to verify the reporting of such workers at site. iv) You shall follow all safety rules & security procedure that are in vogue and applicable during execution of work. You are requested to verify the character and antecedents of the labourers employed by you, through local address proof issued by competent authorities such as ration card, driving license, electricity bills, telephone bill, gas connection document etc. The nationality of contract labourers also needs due verification. v) You are requested obtain immediately Police Verification Reports of your regular staff deployed at site(s) in respect of maintenance contract works and submit the same along with necessary application to allow them to enter in premises to carry out the assigned work. 8) Agency has to own arrangement of transport facility (i.e. Electrical battery operated two wheeler) one for department supervisor during execution of work, and one for EIC to inspection and measurement purpose, including cost of maintenance and battery charging. 9) Contractor shall take a Contractor’s All Risk (CAR) Insurance Policy in respect of entire scope of work and a Janata insurance policy to cover the compensation claims arising out of Workmen's Compensation Act-1923. The Insurance policy shall be taken for entire period of contract and copy of the same shall be submitted to the Engineer-in-Charge before commencement of the work. The insurance policy shall be taken before commencement of the work and shall be renewed during the construction period till actual completion of work. The charges for issue & renewal of insurance policy shall be borne by Contractor. In event of failure of the Contractor to obtain Insurance Policy, Running Account Payments of the Contractor shall be withheld till such time the same is obtained by the Contractor & submitted to the Engineer-in-Charge. In case, Insurance Policy has validity period not matching with contract period (either due to policy start date later than actual date of start of work or policy end date earlier than actual date of ompletion), then penalty for gap in period shall be levied at one and half times the rate of Insurance Policy premium including GST, to be computed on per day basis. All the workers engaged on the work shall required to be insured as per Government norms at the cost of contractor. 10) Debris shall be removed from the premises with in two days of accumulation of a truckload of debris in the premises; otherwise department will remove the same through some other agency at contractor’s risk and cost. 11) Complete work should be executed keeping in mind the following Govt ACT \\"Prohibition of Employment as Manual Scavengers and Their Rehabilitation Act, 2013\\" 12) Contractor is liable to disburse Compensation in case of Sewer deaths or sewer victims suffering disabilities. Further, Contractor has to ensure compliance of other guidelines and directions issued by Central / State Govt. / Statutory authorities / Hon'ble Supreme Court of India (Dr. Balram Singh vs Union of India, W.P.(C) No. 324/2020 dtd. 20.10.2023) |
| 2 | ABSTRACT SHEET |
| 3 | PART I : CIVIL WORKS |
| 4 | PART I : CIVIL WORKS |
| 5 | Earth work excavation in foundation pits, plinth/ tie beams, tank, trenches, loose boulder for pipe line, chamber etc. in all soils other than soft & hard rock up to depths mentioned below including shoring if necessary, dressing the sides, trimming, ramming, dewatering and preparing the bed for foundation and refilling around the foundation and in plinth with selected excavated earth, in layers not exceeding 200 mm thick, watering, consolidation to obtain 90% proctor density and disposing of the surplus earth inside colony etc. complete as per specifications, drawings and as directed by the Engineer-in-charge. |
| 6 | Up to 1.50m depth from GL |
| 7 | From 1.50m to 3.0m below GL |
| 8 | From 3.0m to 4.5m below GL |
| 9 | Earth work excavation in foundation pits, plinth/ tie beams, tank, trenches, pipe line, chamber etc. in soft rock upto depths mentioned below including shoring if necessary, dressing the sides, trimming, ramming, dewatering and preparing the bed for foundation and refilling around the foundation and in plinth with selected excavated earth, in layers not exceeding 200 mm thick, watering, consolidation to obtain 90% proctor density and disposing of the surplus earth inside colony etc. complete as per specifications, drawings and as directed by the Engineer-in-charge. |
| 10 | Up to 1.50m depth from GL |
| 11 | From 1.50m to 3.0m below GL |
| 12 | From 3.0m to 4.5m below GL |
| 13 | Earth work excavation in foundation pits, plinth/ tie beams, tank, trenches, pipe line, chamber etc in hard rock by chiselling or by using machine such as Poclain with Jack hammer etc. upto depths mentioned below including shoring if necessary, dressing the sides, trimming, ramming, dewatering and preparing the bed for foundation and refilling around the foundation and in plinth with selected excavated earth, in layers not exceeding 200 mm thick, watering, consolidation to obtain 90% proctor density and disposing of the surplus earth inside colony etc. all complete as per specifications, drawings and as directed by the Engineer-in-charge. |
| 14 | Up to 1.50m depth from GL |
| 15 | From 1.50m to 3.0m below GL |
| 16 | From 3.0m to 4.5m below GL |
| 17 | Providing & laying UPVC under ground drainage pipes & Fittings of Approved make for storm water drains & Sewer lines of following size conforming to IS:15328 to proper level & grade, jointing including providing coupler with solvent cement / welded joints / as per manufacturer's requirement, encasing the pipe alround using cement concrete 1:3:6 complete if required all as per specifictions, drawing and as directed by the E.I.C. item includes Providing and fixing UPVC fittings such as Bendes, Tees & Y, Reducers, Blanking Plugs, Couplers, Adaptors etc For Sewer line and Storm water Drains NOTE:- Cement concrete for encasing shall be paid under relevant item. |
| 18 | 110 mm DN (SN 8kN/m²-SDR34) |
| 19 | 160 mm DN (SN 8kN/m²-SDR34) |
| 20 | 250 mm DN (SN 8kN/m²-SDR34) |
| 21 | 315 mm DN (SN 8kN/m²-SDR34) |
| 22 | Providing and laying in position, at all floors and at all levels & locations plain cement concrete of grade as specified below including machine mixing, consolidation, finishing, curing and including cost of form work, shuttering, centering etc. complete all as per specifications and directed by EIC. (Note:- Reinforcement provided if any shall be measured & paid under relevant item.)Cement concrete of 1:2:4 (1 cement, 2 crushed sand, 4 graded stone aggregate of nominal size 20 mm) |
| 23 | Brick masonry work using well burnt bricks from approved lot of class designation 3.5 / 7.5 (as specified) (classification as per IS:1077-1992 and min. average compression strength not less than 3.5 / 7.5 N/mm2, as specified) in cement mortar 1: 6 or using ready mix mortar (1.4), (as specified), to correct line, level and plumb including raking out joints, curing, scaffolding all as per specifications, drawings and as directed by Engineer in charge. In sub structure (foundation, plinth, cable pits, trenches, steps) |
| 24 | Providing water proof plastering work of thickness as mentioned below, in using cement sand mortar (1:4) or using ready mix cement mortar having cement : sand (1:4) at all floors, levels & locations, in single coat finished smooth with a floating coat of neat cement including approved water proofing compound added @ 2% by weight of cement or as per manufacturer's specifications in correct line, level, plane, plumb and including scaffolding, curing etc complete all as per specifications and as directed by EIC. (inside trench/nalla/pit / storm water drains etc.)Using ready mix cement mortar having Cement : Sand (1:4) |
| 25 | 20 mm thick |
| 26 | Dismantling / demolishing work by manual /Chiselling/ mechnical means, carefully without damaging & disturbing adjacent structures, at all levels, locations & floors including labour, machine, loading, unloading, transportation, stacking of serviceable material at directed place & disposal of debris & unserviceable material as per direction, scaffolding etc complete all as per specifications and as directed by Engineer-in-Charge. |
| 27 | Brick masonry work in cement mortar including cement mortar plastering / pointing work |
| 28 | Plain Cement Concrete (PCC) |
| 29 | Water Bound Macadam (WBM), Wet Mix Macadam (WMM), Granular Sub Base (GSB), Stone Soling work |
| 30 | Bituminous surface Road |
| 31 | INSPECTION CHAMBERConstructing fly ash / AAC /kiln burnt clay brick masonry Inspection chambers of internal sizes 900 X 600mm at bottom and 900 X 450mm at top for an initial depth of 600mm consisting following items of work.i) 230 mm thick brick masonry in cement mortar 1:2 over 150 mm thick bed in cement concrete of grade 1:2:4 with 150 mm offset all-around, tapering of longitudinal walls starting from the height of 450 mm from the top of chamber frame & cover and tapering of longitudinal walls ending at the height of 200 mm from the top of frame & Cover to obtain an internal dimensionof 900 X 450mm at 200 mm from top of chamber.ii) 20 mm thick plaster in cement mortar 1:1 mixed with water proofing compound @ 2% by weight of cement on internal and external surfaces, internal surfaces and top finished with a floating coat of neat cement.iii) Making benching and haunching in cement concrete of grade 1:2:4 and finishing with floating coat of neat cement.iv) Fixing frame and cover at top using cement concrete of grade 1:2:4 (for bed block / bearing course and capping) and cast iron steps / foot rests, all as per specification and as directed by Engineer in charge.NOTE FOR INSPECTION CHAMBER & MANHOLEi) Depth of Inspection chamber shall be the vertical distance from the top of the frame & cover of manhole/ chamber to the outgoing invert of the main drain channel.ii) The internal diameter/ sizes of inspection chambers & manholes mentioned in the item shall be measured from finished plastered surfaces.iii) The cost of 1:2:4 grade concrete and plastering with CM 1:2 for fixing frame & cover is included under the scope of work of item for providing Everlast Coveriv) Slope of 1:6 for benching shall be started from channel of depth equal of the outgoing sewer diameter.v) The slope of conical wall of manhole and longitudinal walls of rectangular Inspection Chamber starts from the vertical height of 200mm from top of frame and cover.vi) While making payment for extra over initial depth, the thickness of RCC frame & cover and the thickness of cement concrete bed block (bearing course) shall not be deducted from the depth of manhole or chamber.vii) Providing & fixing foot-rests/ steps and CI/ RCC/ Composite frame & cover including CC of grade 1:2:4 & C.M 1:2 plaster for fixing the frame and cover, will be paid under relevant item/ included in other relevant item.viii) Additional depth of chamber will be measured in cm and paid as per actual depth. |
| 32 | Inspection chamber of internal sizes 900 X 600 mm at bottom and 900 X 450 mm at top for an initial depth of 600 mm. |
| 33 | Extra over above item no. 9.1 for additional depth of inspection chamber beyond 600 mm initial depth & upto a depth of 1800 mm. all as per specification and as directed. |
| 34 | MANHOLE CHAMBERConstruction of circular manhole of 1200 mm internal diameter at bottom and 530 / 560 / 600 mm at top for 1.5m initial depth & fly ash / AAC /kiln burnt clay brick masonry in 1:2 cement mortar, 230 mm thick wall for 1400 mm measured from top of frame & cover of manhole in conical shape and remaining height constructed 345 mm thick in cylindrical shape over a 300 mm thick cement concrete bed of grade 1:2:3 with 300 mm offset from outer finished wall surface of the manhole, also for benching and fixing frame & cover at top of brick masonry i.e. below and around frame and cover for bed block (bearing course) and capping including providing and fixing frame & cover, CI steps, 20mm thick plaster in 1:1 cement mortar mixed with water proofing compound @2% by weight of cement or or as per manufacturer's recommendation on internal and external surfaces, internal surfaces and channel finished smooth with floating coat of neat cement and external surfaces finished rough with wooden float, along the depth at juction where thickness of brick masonary changes and intermidiate depth/height not exeding 1m a RCC band of 230mm depth and width equal to brick wall shall be provided, all as per specifications, drawings and as directed by E-in-C.NOTE:- Providing & fixing foot-rests / steps and CI / RCC / Composite frame & cover including CC of grade 1:2:4 for fixing the frame and cover - plastering in C.M 1:2 on exposed surfaces of bed block & capping, making smooth cement finish etc. will be paid under relevant item. |
| 35 | Top internal dia 530 / 560 / 600 mm to suit MD,HD & EHD cover for initial depth of 1.8m |
| 36 | Extra over Item No. 10.1 for additional depth of Chamber upto 3m. |
| 37 | Providing & fixing precast approved brand FRP/GRP Composite Manhole covers as approved by Competant athority / E.I.C tested as per IS:1726, including cost of necessary hardware, 1:2:4 grade concrete for fixing frame, bed block (bearing course) and capping including necessary form work and CM 1:2 mortar for fixing the frame & for plastering exposed surfaces of concrete bed block (bearing course) and capping finished smooth with floating coat of neat cement etc., complete as per specifications, drawings and as directed by the E.I.C.Note: Shade and Colour and design pattern to be get approved from Engineer-in-Charge. |
| 38 | Rectangular Heavy duty (Grade HD - 20 designation as per IS:1726/ C-250 as per EN124 or higher loading class) frame and cover size 900 x 450mm |
| 39 | Circular Heavy duty (Grade HD - 20 designation as per IS:1726/ C-250 as per EN124 or higher loading class) frame and cover clear internal dia. 600mm |
| 40 | Providing & laying rough shahabad stone 40 to 50 mm thick for pavement in footpath including supplying & levelling the stone grit and dust of 50 mm thick in proper line or slope including filling the joints with 30 mm thick PCC 1:2:4 using agg. of 10 mm size an finishing of joints with CM 1:3 with 15 mm x 10 mm groove all around the stone and including providing 100 x 100 mm edging with cement concrete 1:2:4 cleaning site cutting bushes, plants & levelling the surface by excavation upto 150 mm thick, transporting & disposal of the unwanted materials like cut grass, vegetation, surplus earth, debris at directed place etc complete all as per specifications and as directed by the Engineer- in- Charge. |
| 41 | Removing & relaying old shahabad stone for pavement in footpath including supplying & levelling the stone grit and dust of 50 mm thick in proper line or slope including filling the joints with 30 mm thick PCC 1:2:4 using agg. of 10 mm size an finishing of joints with CM 1:3 with 15 mm x 10 mm groove all around the stone and including providing 100 x 100 mm edging with cement concrete 1:2:4 cleaning site cutting bushes, plants & levelling the surface by excavation upto 150 mm thick, transporting & disposal of the unwanted materials like cut grass, vegetation, surplus earth, debris at directed place etc complete all as per specifications and as directed by the Engineer- in- Charge. |
| 42 | Providing and fixing 80 mm thick (min.) factory made interlocking paver blocks of specified finish, approved make and colour, shade, size, shape laid in pattern manufactured with cement concrete grade not less than M-40 and conforming to IS:15658, including supplying & laying 50 mm thick stone dust evenly spread over the sub-base including consolidation of sub-base properly vibrating with the surface vibrator, finishing to line, level and slope, finally filling the joints with fine clean sand and cleaning the surface disposing off the debris at directed place etc. complete all as per specification and as directed by the Engineer- in- Charge. |
| 43 | Using Rough Finished interlocking paver blocks |
| 44 | Providing & applying white / colour washing in two or more coats on old / new surfaces at all floors, levels & location using ready mix lime powder of approved quality by adding glue, blue/colour of approved shade including labour, material, scaffolding, surface preparation, cleaning etc complete all as per specifications and as directed by Engineer-in-Charge. |
| 45 | Cleaning of Sewerage tanks (biogas) / Septic tanks by Cleaning Machines:- |
| 46 | Cleaning of Sewerage tanks(biogas)/septic tanks: - Removal of wet/dry sewage slurry from septic tanks & disposal the same through BMC approved sewage tankers. Sewage tankers must be approved and register by BMC, CERTIFICATE should be submitted and approved by competent authority. After removing sewage from tank, clean the tank manually using portable water available for washing tank using Jet spray and de-watering the water from septic tank. Sewage should not dispose inside colony. As per direction and instruction of Engineer-In-Charge Please Enable Macros to View BoQ information |
