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| 1 | Earth work for Sewer line and Manhole in excavation in foundation, trenches manholes, road side chambers etc. including dressing of sides and ramming of bottoms, including getting out the excavated material, refilling after laying pipe/ foundation and disposal of surplus excavated material at a lead upto 50m suitable site as per direction of Engineer for following depths, below natural ground / Road top level including allowances for any additional excavation beyond the drawings (measurement for payment to be as per standard drawings), re-handling of material/earth to complete the task.In all types soils/ saturated soil such as moorum, sand, sandy silt, clay, black cotton soil, kankar, etc. |
| 2 | Depth upto 1.5 m |
| 3 | Add extra for over all depth of excavation above 1.5 m and upto 3.0 m over item no 17.1.1.1 |
| 4 | Add extra for over all depth of excavation above 3.0 m and upto 4.5 m over item no 17.1.1.1 |
| 5 | Add extra for over all depth of excavation above 4.5 m and upto 6.0 m over item no 17.1.1.1 |
| 6 | Providing and fixing CLOSE timbering in trenches of sewer line and manholes including strutting, shoring and packing cavities (wherever required) complete. (Measurements to be taken of the face area timbered) for following depth below NGL. |
| 7 | Depth upto 3.0 m |
| 8 | Depth more than 3.0 m and upto 6.0 m |
| 9 | Providing at site, lowering & laying in trenches, aligning & jointing of RCC pipes NP3 class (with s/s ends) IS: 458 1988 (amended up to date) marked and pipes from 300 mm upto 2000 mm manufactured through vertical / vibrated casting process all levels with Rubber gaskets (EPDM/SBR) for sewer lines as per IS: 5382 (including cost of Rubber gaskets lubricants) as per drawing, sectional hydro testing of the sewer pipe line (including cost and conveyance of water to site for testing) etc.. complete as directed by Engineer. Note: E/w to be measured and paid separately. Length of pipe shall be measured in between the outer wall of two manholes / Inspection chambers. Pipe in the manhole/inspection chamber‘s wall shall deemed to be included in the item of manhole/inspection chamber shall not be payable. |
| 10 | 1600 mm internal diameter |
| 11 | Providing, laying and jointing RCC NP4 jacking pipe (with steel pushing collar) with suitable leak proof joints (with using `12mm MDF sheets etc.) with compliance for maintaining slope as per design by trenchless method adopting Micro tunnelling method or any suitable mechanical technology below ground at all depth under running traffic condition including carrying out survey work at the job site for determining underground cable trenches like telephone, power cable, water & sanitary lines and resistivity tests for finding the soil strata using necessary equipment’s for completion of work, mobilizing of machineries and specialized crew at the job site, etc. complete in all respects, including excavation of drive pit and exit pit (upto 3 metre depth) with proper protection at the three sides, providing and casting of MS cutting edges for front shield and constructing thrust bed at designed level as directed by the Engineer, necessary de-watering and providing concrete foundations at the base of the Drive pit, crane for handling of pipes, and any other machinery, tool & tackles required, construction of temporary works as per requirement complete in all respect (all depths) with all lead and lifts, as per specification and the direction of the Engineer. Note- 1. Manual Pipe jacking is not permitted for workmen safety reasons. 2. Length of pipe shall be measured in between the outer wall of two manholes / Inspection chambers. Pipe in the manhole/inspection chamber’s wall shall deemed to be included in the item of manhole/inspection chamber shall not be payable. |
| 12 | 1600 mm dia RCC pipe |
| 13 | Providing granular bedding having width= outer dia of pipe (Bc) + 500mm, thickness below pipe 0.25Bc or 100mm (whichever is higher) and haunching 0.5Bc, with graded hard crusher broken stone of 100% passing through 20mm sheive, 20 to 50% passing through 10mm sheive and 100% retain on 6.3mm sheive, laying in layers of thickness 10/15cm including ramming, consolidation etc complete for all type of pipes of following sizes as per drawing and or as directed by Engineer. |
| 14 | 1600 mm internal diameter |
| 15 | Providing and constructing of RCC M-20 grade cast-in-situ circular manholes of \"Type-F\" with internal dia 2.4m and depth upto 12.0m (2.0 in conical shape) having 150 mm thick RCC M-20 wall, including 360 mm thick RCC M-20 grade base slab (foundation), PCC M15 for benching and channel portion, PCC M20 250mm thick for fixing the manhole frame and cover, vata in CM1:1 around pipe entering and leaving the manhole, providing and fixing of SFRC footsteps of approved make at every 0.34m height, supplying and fixing heavy duty SFRC manhole frame and cover as per IS 12592 (Part I and II) having clear opening of 330mm, including form work, reinforcement, curing, watering, hydro testing of manhole, conveyance & cost of water, dewatering etc. complete as directed by the Engineer |
| 16 | Manhole of depth 3.6m as per drawing and direction of Engineer. |
| 17 | Providing and constructing extra depth of manhole for depth beyond 3.6 m and upto 8.0 with 150mm thick RCC M-20 wall as per drawing and direction of Engineer |
| 18 | Providing and laying in position cement concrete of specified grade over a prepared base course complete including finishing, curing all material, labour, machinery, lighting, guarding for road restoration under sewer line and manhole work using RMC (ready mix concrete plant) and Transit mixer including allowances for any additional road restoration beyond the drawings (measurement for payment to be as per standard drawings) to complete the task. including Providing/mixing of synthetic fibers compulsorily complying with IS 16481:2022 of 06 mm/12 mm length to be mixed @ 0.25% by weight of Cement i.e.125 gms per 50 kg Cement up to 900 gms per cum of Concrete/ mortar. |
| 19 | PCC/ RCC Grade M -25 |
| 20 | Providing, laying and compacting plain/ reinforced cement concrete of specified grade in foundation/ levelling course/pile cap using concrete mixer and vibrator complete including cost of form work, as per drawing and technical specifications and as per clause 1100, 1500,1700,2100 of MoRT&H specification including all scaffolding material, labour, machinery. |
| 21 | PCC Grade M -15 |
| 22 | Providing and laying TMT bar reinforcement at any level in foundation/ pile/ pile cap complete as per drawing and clause 1600 of MoRT&H Specification including all material, labour and machinery.Reinforcement with TMT bar in sub structure |
| 23 | Providing and making connection to the manhole/ road side chamber/ property chamber by cutting hole in wall, making good the same with brick work/ stone masonry work in cement mortar 1:4, plaster in cement mortar 1:3, encasement of pipe at manhole with 75mm thick M15 grade concrete etc complete as directed by Engineer. |
| 24 | Providing at site, lowering & laying in trenches, aligning & jointing of U-PVC pipe as per IS 13592 (amended up to date) and as per specifications with rubber rings with socket and spigot joint, (EPDM/SBR) for all depths for pipe length as per drawing and specification including hydraulic field testing (including the cost and conveyance of water to site for testing) and commissioning etc complete as directed by Engineer for house sewer connection work. Note E/w to be measured and paid separately. Length of pipe shall be measured in between the outer wall of two manholes Inspection chambers. Pipe in the manhole/inspection chamber‘s wall shall deemed to be included in the item of manhole/inspection chamber shall not be payable. 110 mm Nominal Dia. |
| 25 | Providing, fixing and erecting precast RCC (M20) Vent shaft with cowl, 125mm and 225mm internal and external dia respectively at top, 300mm and 450mm internal and external dia at bottom and 9.0m over all length, bottom 1.175m below ground level fixed in the pit 900mmx900mmx1500mm with PCC M15, 250mm in bed and minimum 200mm all around with top 150mm in PCC M15 with 20mm nominal size graded stone aggregate , junction of vent shaft and concrete grouted with cement mortar 1: including making connection with sewer manhole with 150mm dia NP4 RCC pipe (IS 458-ammended upto date) as required including Type-A bedding complete as per standard design and finished with water proofing cement of approved brand as per drawings and/or as directed by Engineer.Note : Only Excavation work will be measured and paidseparately |
| 26 | Supplying & fixing 560mm opening dia SFRC manhole cover as per IS : 12592-2002 in existing manholes frame complete in all respect as directed by the Engineer.EHD-35 |
| 27 | Carriage of material from quarry / crusher to work site including loading, unloading and stacking all complete.Earth, Sand, Lime, Morrum manure or sludge |
| 28 | For 5 Km. |
| 29 | Providing Barricading for Trenches using 80 - 100 mm dia Wooden Ballies as vertical post, atleast 1.5m above ground level and atleast 30-45 cm below ground level at a spacing of 3 m. Two rows of PVC Tape (preferably red in colour) strip barricading horizontal strip securely tied by the vertical members. Vertical members shall be painted in red and white colour. Rate is inclusive removal and cleaning of site complete in all respect |
| 30 | Painting with black anti-corrosive bitumastic paint of approved brand and manufacture to give an even shade : |
| 31 | Two or more coats on new work. |
