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| 1 | Earth work in excavation by mechanical means (Hydraulic excavator) means over areas (exceeding 30 cm in depth, 1.5 m in width as well as 10 sqm on plan) including getting out and disposal of excavated earth lead upto 50 m and lift upto 1.5m, in type of soil as directed by Engineer-in charge Note (i) Any existing structure like Road/Hardstanding/Interlocking/PCC/Plinth protection /any type pathway/water supply/electric supply and other external services etc are damaged/effected during the constrction/ laying of sewage pipe line. It has been repaired/constructed as per existing standard with required material/items by the Contractor. Unit rate for the same shall be included in this item |
| 2 | Description same as per item No 1 above, but exceeding 1.50M and not exceeding 3.00M in depth and getting out in any type of soil soil/any existing road crossing /PCC /Interlocking complete all as specified and directed. |
| 3 | Earth work in excavation by mechanical means (Hydraulic excavator) in foundation trenches or sewage line, drain under the roads/path/hardstnading/ heavy duty road crossing (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, lift upto 105 m, including getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 250 m complete all as specified and directed by the Engr-in-Charge.Note (i) Any existing structure like Road/Hardstanding/Interlocking/PCC/Plinth protection /any type pathway/water supply/electric supply and other external services etc are damaged/effected during the constrction/ laying of sewage pipe line. It has been repaired/constructed as per existing standard with required material/items by the Contractor. Unit rate for the same shall be included in this item |
| 4 | Description same as per item No 3 above, but exceeding 1.50M and not exceeding 3.00M in depth and getting out in any type of soil complete all as specified and directed. |
| 5 | Excavation in trenches not exceeding 1.5M wide and not exceeding 1.5M in depth for sewage line, manhole etc not exceeding 10 sqm on plan and getting out in soft/ loose soil complete all as specified and as directed. |
| 6 | Demolition and breaking up drain pipes (Salt glazed ware, AC ,PVC or Reinforced concrete) set in cement mortar including packing under and haunching against side of pipe for 150 mm internal dia complete all as specified and directed. |
| 7 | M&L for concrete bed to drain pipes including packing under, and haunching against the sides of pipes after they are laid and tested in cement mortar 1:4:8 type D2 using 40mm graded stone aggregate for 150 mm internal dia of pipe complete all as specified and directed by the Engr-in-Charge. |
| 8 | M&L for concrete bed to drain pipes including packing under, and haunching against the sides of pipes after they are laid and tested in cement mortar 1:4:8 type D2 using 40mm graded stone aggregate for 300 mm internal dia of pipe complete all as specified and directed by the Engr-in-Charge. |
| 9 | Supply & laying, jointing and testing for 300 mm internal dia of reinforced concrete pipes, class NP3, laid and jointed complete with collars complete all as specified and as directed by the Engineer-in-Charge. NOTE :-(i) Contractor has to construct the temporary septic tank and sockage well building wise arrangment for sewage disposal during execution of work. (ii) Contractor should clean all sewage line, septic tank, manholes and sockage well by using honey chakar machine.(iiI) Contractor should clean lines of sewage lines on daily basis during the execution if directed by the Engr-in-Charge. (iv) Contractor must have responsible to maintain hygiene and sanitation of sewage during the execution of work.(v) Unit rate for the same (Note (i) to (iv) shall be included in this item. No extra payment has been given to the contractor. |
| 10 | M&L for laying and testing of 150 mm dia DWCPE (SN8) pipes incl vollor laid and jointed in cement mortar and tested on completion and make the line functional, complete all as specified and directed |
| 11 | M&L for laying and testing of 300 mm dia DWCPE (SN8) pipes incl vollor laid and jointed in cement mortar and tested on completion and make the line functional, complete all as specified and directed |
| 12 | Cutting into existing manholes for connecting new drains, making good to pipe 150 mm dia and rendering, cutting out existing benching for and forming branch channel (1/2 round or 3/4 section) in cement concrete 1:2:4 type B-l smooth finished, and reforming benching as required complete all as specified and directed. |
| 13 | Demolition of brick work or stone masonary built in cement mortar as any place inclduing drain, mahholes, septic tank and sock well complete all as specified and directed. |
| 14 | M&L Brickwork with fly ash Modular bricks in cement mortar, straight or curved on plan exc 6m mean radius, built in built cement mortar 1:4 in complete all as specified and as directed |
| 15 | M&L brick work with sub class 'B'brick straight or curved on plan exc 6m mean radius built cement mortar 1:4 but except bricks (Brick shall be obtained from demoltion and cleaning of old bricks etc) complete all as specified and as directed |
| 16 | M&L for cement concrete type C2 (1:3:6) (using 40mm graded stone aggregate) in coping,surface channels, drains and manholes foundation etc 1:4 complete all as specified and as directed |
| 17 | M&L for rendering 15mm thick on fair faces of wall even and smooth finish without using extra cement on conc/brick surfaces in CM 1:6, complete all as specified and as directed |
| 18 | M&L for two coat of white wash on newly plastered surface on wall and curing preparation of surface all as specified and directed by the Engr-in-Charge. |
| 19 | Demolation of reinforced concrete of any description and in any position complete all as specified and directed by the Engr-in-Charge. |
| 20 | M&L for precast cement concrete 1:2:4 type B1 (using 20mm graded stone agg) in landings, cover slabs for man holes etc set in cement mortar 1:6 chullah hoods, chajjas, water troughs, mangers, shelves and similar articles with plain faces including necessary formwork complete all as specified and directed by the Engr-in-Charge. |
| 21 | S&F TMT Mild steel bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips complete all as specified and directed by the Engr-in-Charge. |
| 22 | Returning, filling in including spreading, levelling, watering and well ramming in layers not exc 25 cm in excavated approved earth into trenches around pipe etc complete all as specified and directed by the Engr-in-Charge. |
| 23 | Removing excavated material n exc. 50m and depositing where directed at a level n exc. 1.5 m above the starting point complete all as specified and directed by the Engr-in-Charge. |
| 24 | Taking down existing AC/PVC rain water/waste pipe from wall or floor complete all as specified and directed by the Engr-in-Charge. |
| 25 | S &F of 110mm dia PVC (SWR) pipes single socketed, in any length with rubber ring joints laid in trenches or in floors or fixed wall and complete all as specified and directed. |
| 26 | S &F of 75mm dia PVC (SWR) pipes single socketed, in any length with rubber ring joints laid in trenches or in floors or wall and complete all as specified and directed. |
| 27 | S&F PVC (SWR) bends any radius 110mm bore complete all as specified and directed. |
| 28 | S&F PVC (SWR) bends any radius 75mm bore complete all as specified and directed. |
| 29 | S&F PVC (SWR) junction single, (single T) equal or unequal 75mm bore with access door complete all as specified and directed. |
| 30 | S&F PVC (SWR) junction single, (single T) equal or unequal 110mm bore with access door complete all as specified and directed. |
| 31 | S&F PVC (SWR) vent cowl 110mm bore complete all as specified and directed. |
| 32 | Carrying out Digital Topographic land survey for layouting of sewage line approx area 99525.09 sqm with Total Electronic Station of high precision, making position of each physical feature on the ground true to their position like building, sewer lines/storm water drains, manholes and sump wells, water bodies, large size rocks, GI & CI lines, fully grown trees having girth more than 30 cm, overhead HT/LT electric lines, transformers, substation, OHT, Tube wells, electric & Telephone cables and poles, roads, paths, existing permanent/ temporary structures, fencing boundary walls/lines gates, drain etc i.e. height of inaccessible structure like HT lines, OHT etc., Preparing the contour plan of contour intervals at every 0.5m considering topography of the terrain & preparing drawing in A-1 size, recording reduced levels at grid of 3m 3m and points of abrupt changes, fixing temporary Bench Marks (TBM) and marking them on ground with paint as required, calculation of area and other details of surveyed pockets with submission of three Nos coloured drawing along with one soft copy on compact disk (CD) to the 1 1000 or suitable scale & plotting on Auto CAD |
| 33 | NOTE :-(i) Contractor has to construct the temporary septic tank and sockage well building wise arrangment for sewage disposal during execution of work. (ii) Contractor should clean all sewage line, septic tank, manholes and sockage well by using honey chakar machine.(iiI) Contractor should clean lines of sewage lines on daily basis during the execution if directed by the Engr-in-Charge. (iv) Contractor must have responsible to maintain hygiene and sanitation of sewage during the execution of work.(v) Unit rate for the same (Note (i) to (iv) shall be included in item No 32. No extra payment has been given to the contractor. |
