Tender For Conditional Assessment By Cctv Survey, Desilting, Cleaning And Assessment Of Deficiencies In Sewer Network Main Trunk Line From Heeradas To Gopal Nagla Mode 24 Mld S.P.S. Via Circular Road And Rectification By Cipp Technique - 1 Desilting the sewer lines through jetting and suction machines including cleaning, barricading, and reconstruction of manholes for section isolation by plugging and flow stoppage, setting up the over-pumping arrangements, traffic management jetting and dislodging of accumulated silt from the pipelines, removal of silt through suction hose, disposal of removed silt upto a distance of 20 Km, necessary temporary repairs of sewers to stop locational collapses, ingress of ground water in the desilted section of the pipelines all complete as per the specifications and direction of Engineer. Evaluation pipeline condition through inline Closed Circuit Television survey to assess the internal condition and material of the buried pipelines including accurate measurement of the length & diameter / cross section, invert levels and other physical attributes of buried pipelines, identification of all defects, joints and connections, measurement and recording of their location / position, sizes, & conditions of such pipelines including provision of survey report and records of the conditions, both through video recording in PAL format on a new VHS cassette as well as a report on the structural condition of the pipelines as per the specifications and direction of Engineer.450 mm dia sewer 2 600 mm dia sewer 3 800 mm dia sewer 4 900 mm dia sewer 5 1200 mm dia sewer 6 Rehabilitation of existing sewer pipeline by Cured-in-Place Pipe CIPP/ Machine Wound Spiral Lining (MWSL) method including site survey, plugging and flow diversion, cleaning, pre-lining CCTV survey, repair of defects, pre-lining measurements, designing, site preparatory work, installation of impregnated liner/ MWSL Liner, curing of liner using hot water/ steam recirculation, jointing, grouting, post-lining CCTV survey and measurement, commissioning and restoration of roads and services all inclusive.Above 200 upto 500 mm 7 Above 500 upto 750 mm 8 Above 750 upto 1000 mm 9 Above 1000 upto 1250 mm 10 Above 1250 upto 1500 mm 11 Above 1500 upto 1750 mm 12 Above 1750 upto 2000 mm 13 Temporary bypassing of sewer including Plugging the mouth of pipe/s inside sewer manhole using suitable plugging system and installation of bypass arrangement for bypassing the sewage flow, including, but not limited, to pumps, pipes, connections, couplings, electrical accessories, support traffic diversions arrangements etc. including desilting of manholes, disposal of debris as per the instructions of Engineer-in-Charge and keeping the manhole free from seepage and removal of bypass by de-plugging the mouth of pipe inside sewer manhole and removal of by pass system and making the sewer system operational including all labour, Machinery, material, taxes etc. as per the specifications and directions of the Engineer.For manholes of pipes upto 1200 mm dia 14 For Manholes of above pipes from 1200 mm dia and upto 1500 mm dia 15 For manholes of pipes above 1500 mm dia and upto 1800 mm 16 Providing, fixing and constructing of pre-cast RCC M-40 grade circular manholes with internal dia 1.5m and up to specified depth having pre-cast RCC M-40 grade circular manhole cover frame (ID 0.56m, OD 0.92m), conical piece (top ID 0.56m, bottom ID 1.5m, vertical height 1.305m, wall thickness 125mm), and circular rings of required heights (ID 1.5m, height 150/225/300/600/900/1200 mm, wall thickness 125mm) below conical piece as per required depth of manhole and having steel reinforcement in conical piece @ not less than 80 kg per cum of concrete, including cast-in-situ PCC M-10 grade (1:3:6) foundation of 2.125m dia and 150mm thickness, PCC M15 grade circular wall ID 1.425 m, wall thickness 200mm, height equal to ID of sewer pipe + one wall thickness of pipe + 50 mm (to flush the manhole frame with road top, height of wall can be increased but not more than 100mm), PCC M15 grade benching and channel portion and up to top level of sewer pipe etc complete with curing compaction and form work, supplying and fixing heavy duty SFRC manhole cover as per IS 12592 (Part I and II), supplying and fixing plastic encapsulated CI/MS footsteps / SFRC footsteps, including cost of shuttering, steel reinforcement, testing for water tightness etc complete in all respect as per drawing, as per specification and the direction of the Engineer. Note:- Excavation of earth work and road cutting for manhole will be measured and paid separately Pre-cast RCC M-40 grade circular manhole conical piece with inbuilt cover and frame (height 1.305), cast-in-situ PCC M-10 grade foundation, PCC M15 grade circular wall ID 1.425m, wall thickness 200mm, wall height equal to ID of sewer pipe + one wall thickness of pipe + 50 mm, PCC M15 grade benching and channel portion. Depth of manhole shall be measured from top of manhole cover upto lowest invert of pipe. (Depth includes in the item = height of Conical piece + ID of Sewer pipe + 1 Wall thickness of pipe + increased height of wall (if any) + 50mm) 17 Providing and fixing pre-cast RCC M-40 grade circular ring of ID 1.5m, wall thickness 125mm, height 150/225/300/600/900/1200mm for constructing extra depth of manhole beyond depth mentioned in item no-17.61.1 as per drawing. 18 Providing and constructing of RCC M-20 grade cast-in-situ circular manholes of Type-F with internal dia 2.0m and depth upto 12.0m (2.0 in conical shape) having 150 mm thick RCC M-20 wall, including 350 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 foot steps of approved make at every 0.30m height, supplying and fixing heavy duty SFRC manhole frame and cover as per IS 12592 (Part I and II) having clear opening of 560mm, including form work, reinforcement, curing, watering, hydro testing of manhole, conveyance & cost of water, dewatering etc. complete as directed by the Engineer. Note:- Excavation of earth work and road cutting for manhole will be measured and paid separately.Manhole of depth 3.6m as per drawing and direction of Engineer 19 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. 20 Dismantling of existing structures like culverts, bridges, retaining walls, CC road and other structure comprising of masonry, cement concrete, wood work, steel work, including T&P and scaffolding wherever necessary, sorting the dismantled material, disposal of unserviceable material and stacking the serviceable material with all lifts and lead of 50 metres as directed by Engineer.cement concret grade M-15 or above and pcc blocks 21 Providing and laying un-reinforced, dowel jointed, plain cement concrete mix in pavement over a prepared sub base with 43 grade cement, coarse and fine aggregate conforming to IS: 383, maximum size of coarse aggregate not exceeding 25 mm, mixed in a batching and mixing plant as per approved mix design, transported to site, laid with a fixed form or slip form paver, spread, compacted and finished in a continuous operation including provision of contraction, expansion, construction and longitudinal joints, joint filler, separation membrane, sealant primer, joint sealant, debonding strip, dowel bar, tie rod, admixtures as approved, curing compound, finishing to lines and grades complete as per drawing and as per clause 602, 112 ofMoRT&H specification including all material, labour, machinery,lighting, guarding and maintenance of diversion M-30 design mix 22 Earth work in excavation in foundation, trenches 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. In all types soils/ saturated soil such as moorum, sand, sandy silt,clay, black cotton soil, kankar, etc.upto 1.5 mtr 23 Add extra for overall depth of excavation above 1.5 m and upto 3.0 m over item no 4.10.1.1 24 Add extra for overall depth of excavation above 3.0 m and upto 4.5 m over item no 4.10.1.1 25 Add extra for overall depth of excavation above 4.5 m and upto 6.0 m over item no 4.10.1.1
