REPAIR AND CLEANING OF SEWER LINES, MANHOLES, SEPTIC TANK, SOAK WELL AND AND CONNECTED WORK FOR OTM AND MD ACCN AT WELLINGTON UNDER GE WELLINGTON

Amount

Excavating in trenches, not exceeding 1.5 m wide and not exceeding 1.5 m in depth; for foundation, etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10 Sq m on plan and not exceeding 1.5 m in depth and getting out in hard dense soil complete all as specified and directed.

All as per Item No. 01 hereinbefore but exceeding 1.5m and not exceeding 3.0 M deep in hard dense soil all as specified and directed.

Returning, filling in including spreading, levelling, watering and well ramming in layers not exceeding 25cm thick, complete all as specified and directed

Removing excavated soil/ material to a distance exceeeding 250m and not exceeding 500m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed.

Demolition and breaking up drain pipe (salt glazed ware, AC or reinforced concrete) set in cement mortor for 150 mm internal dia of pipe complete all as specified and directed

Demolition and breaking up drain pipe (salt glazed ware, AC or reinforced concrete) set in cement mortor for 200 mm internal dia of pipe complete all as specified and directed

Demolition and breaking up drain pipe (salt glazed ware, AC or reinforced concrete ) set in cement mortor for 300 mm internal dia of pipe complete all as specified and directed.

Concrete bed to drain pipes including packing under and haunching against the sides of the pipes after they are laid and tested in cement concrete 1:4:8 type D-2 using 40mm graded aggregate for 150mm bore pipe all as specified and directed.

PVC (SWR) pipes 150mm bore single socketed, in any length with rubber ring joints, laid in trenches or in floors, complete all as specified and as directed.

Concrete bed to drain pipes including packing under and haunching against the sides of the pipes after they are laid and tested in cement concrete 1:4:8 type D-2 using 40mm graded aggregate for 200mm bore pipe all as specified and directed.

Concrete bed to drain pipes including packing under and haunching against the sides of the pipes after they are laid and tested in cement concrete 1:4:8 type D-2 using 40mm graded aggregate for 300mm bore pipe all as specified and directed.

Salt Glazed stoneware drain pipes of 150mm internal dia, grade 'A' laid in trenches and jointed in cement mortar 1:1 mixed with spun yarn and testing complete all as specified and directed

Reinforced Concrete pipes class NP-2 laid in trenches and jointed complete with collars of 150mm dia all as specified and directed.

Reinforced Concrete pipes class NP-2 laid in trenches and jointed complete with collars of 200mm dia all as specified and directed.

Reinforced Concrete pipes class NP-2 laid in trenches and jointed complete with collars of 300mm dia all as specified and directed.

Demolition of brick work or stone/ boulder masonry built in cement mortar including all quoins, arches, pillars etc complete all as specified and directed.

Brickwork with sub class 'B' old size bricks, straight or curved on plan exceeding 6m mean radius built in cement mortar (1:4) complete all as specified and directed.

Pre-cast cement concrete block masnory with solid block exceeding 10cm in width and setting in mortar 1:6 type C1, 1:3:6 using 20mm graded stone aggregate complete all as specified and directed

Taking down cement or cement lime plaster, any description on brick or stone walls, etc. including raking out joints, hacking for key, scrubbing down with water, etc ,complete all as specified and as directed.

Rendering 15mm thick in cement mortar 1:4 on brick work or concrete surfaces mixed with liquid water proofing compound as per manufacturer's instructions, finished even and smooth without using extra cement all as specified and directed. Note: Water proofing compound will be measured and paid separately.

Plain cement concrete 1:4:8 type D2 (using 40 mm graded stone aggregate) as in foundation, filling and mass concreting, complete all as specified and directed.

PCC 1:2:4, type B-1 using 20 mm graded stone aggregate as in coping, benching, bed block, lintel band, plinth courses, etc and similar work including necessary form work and weathering, slightly rounded or chamfered angles and throating complete all as specified and directed.

Plain cement concrete in surface channels and drains of type B2, 1:2:4 using 40mm graded stone aggregate complete all as specified and directed.

Demolition of Reinforced Cement Concrete in ground floors not exceeding 15 cm thickness (below or above ground level) complete all as specified and directed.

Precast reinforced cement concrete 1:2:4 type B1 using 20 mm graded stone aggregate as in landings, cover slab (for manholes etc) and similar work including necessary form work and set in cement mortar 1:6 complete all as specified and directed. Note :- Reinforcement shall be measured and paid separately.

Mild steel TMT bars grade Fe 500D, 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 all as specified and directed.

Cutting into existing manholes for connecting new drains of 150mm internal dia, making good to pipe 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-1 smooth finished and reforming benching as required complete all as specified and directed.

Cutting into existing manholes for connecting new drains of 225mm internal dia, making good to pipe 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-1 smooth finished and reforming benching as required complete all as specified and directed.

M&L for seven stage cleaning and sterilization of inside the RCC/ PVC water storage tank of capacity not exceeding 500 Ltr of any description and in any position comprising following cleaning and sterilization of water tanks through bacteriological treatment by using TERBAC G5/Inchlor-5/NB-10/ TERBAC-G-65/ Inoxi-60/NB-69 AND ULTRA VIOLET RAY. Make: rays Cleantech/ Inus watertech/ satya enterprise. Location: SAA seven stages are as under plants:- (a). First Stage is to drain out the water by using exit valve or high capacity dewatering system. (b). Second stage is cleaning all the algae formation inside the tank by using TERBAC G10/ Inoxi-60/NB-69 laboratory tested branded chemical of the company ans scrubbing the walls of the tanks. (c). Third strage is fresh water cleaning by high speed jet pump. (d). Fourth stage and first bacteria screening is decertification by using TERBAC-G5/ Inohor-5/NB-10 a Govt Laboratory certified brannded halogen compound or E in C approved Equivalent product (e). Fifth stage is cleaning the floor of water tank by industrial vaccum cleaner. (f) . Sixth stage is the second bacterio screening and sterilizing method by using ultra violet ray within the tnk and kills all suspended bacteria. (g) Seventh stage of cleaning and third bacteria screening is to sterilize the floor of the water tank by using laboratory certified, branded strong oxidizing agent TERBAC-G65/Inoxi-60/NB-69 or EinC approved equivalent Product. NOTE:- (i) COMPANY WILL SUBMIT GOVERNMENT LABORATORY TEST CERTIFICATE OF TERBAC-G5/INCHLOR-5/NB-10, TERBAC-G65/ INOXIi-60/NB-69, BEFORE CLEANING, FIX THE STICKER MENTIONING THE DATE OF CLEANING & NAME OF SITE AND ALSO PROVIDE CERTIFICATE CONFIRMING THE COMPLETION OF STERILIZATION OF WATER TANKS MENTIONING THE NAME OF STATION AND DATE OF CLEANING. ALL THE CLEANING & STERILIZATION STAFFS SHOULD BE UNDER ACCIDENTAL INSURANCE COVERAGE) (ii) OUTLET PIPE OF OHT SHOULD BE PLUGGED BEFORE CLEANING THE OHT TO AVOID.ENTERING SCALS AND THE SAME SHELL BE RECONNECTED AFTER CLEANING THE OHT AND THE QUOTED RATE IS DEEMED TO INCLUDE FOR THE PROVISION . (III) STERILIZATION TEAM WILL BE COMPRISED OF AT LEAST 30% MEMBERS WHO ARE MINIMUM 03 MONTHS CERTIFICATE HOLDER IN WATER TANKS STERILIZATION. (IV) CONTRACTOR WILL BE RESPONSIBLE FOR RECTIFICATION OF COMPLAINTS OCCURRED DURING CLEANING THE TANK IE. NO WATER IN TANK/OVER FLOW DUE TO BROKEN OF FLOAT VALVE/ BLOCKAGE TO BE INCLUDED IN QUOTED RATE. NOTE:-THE WORK SHALL BE CARRIED THROUGH SPECIALIZED AGENCY RAYS CLEANTECH/ INUS WATERTECH/ SATYA ENTERPRISE.

Removal of sludge / clooged mud from septic tanks / soakage wells of any size and depth and burying the sludge in pits with suitable depth & filled by earth out side the building perimeter including earth work and removal of same n exc 50 m complete all as directed. Note: Dewatering of water or mud will not be paid only sludge to be paid

Mechanically pumping out sewage liquid from septic tanks / soakage well /manholes of any size and depth (The distance from the Pumping veh and septic tank/ soakage well not exceeding 1000mtrs) and removal of the same to a distance exceeding 4000 m out side of the building perimeter and disposed off at a place as directed by local municipal / contonment authorities including any type of T&P required etc dewatering of water complete all as directed. Note: 1.Approximate capacity of each load is 4000 ltrs. Contractor shall employ mechanical cleaning vehicle/ Hired contonment board vehicle at his own cost. 2. The septic tank cleaning vehicle shall have pumping, loading and hose pipe etc. 3. The cost of deploying mechanical cleaning vehicle / hiring from contonment board shall be paid by contractor be included in rates quoted.

Cleaning of all blockages in sewage line of any type and any dia, of sewer lines, manholes of any section and any depth, in any situation by way of cleaning / desludging foreign materials as well as blockage of sewage line in between successive manholes manually / mechanically including desludging where required and ordered by Engineer-in-charge and keeping sewer line functional from floor traps, water closet, soil waste / vent pipe, gully trap upto final drop / outlet into septic tank / central sewage system terminating in other joining zone / area or into sewage wells complete all as specified and directed. Note: Required labour / person with T&P / mechanical equipments shall be provided by contractor and the blockage shall be cleaned / cleared as and when reported by Engineer-in-charge.

Cleaning of blocked manholes of any size and depth upto 60cm by removing clogged mud /muck/ excreta and depositing to a distance not exceeding 50M and burying under earth including excavation and removing the vegetation around the manholes 60cm and removing and refixing cover slab in position all as specified and directed.

Cleaning of blocked manholes of any size and depth exceeding 60cm and not exceeding 150cm by removing clogged mud /muck/ excreta and depositing to a distance not exceeding 50M and burying under earth including excavation and removing the vegetation around the manholes 60cm and removing and refixing cover slab in position all as specified and directed.

Cleaning of blocked manholes of any size and depth exceeding 150cm and not exceeding 300cm by removing clogged mud /muck/ excreta and depositing to a distance not exceeding 50M and burying under earth including excavation and removing the vegetation around the manholes 60cm and removing and refixing cover slab in position all as specified and directed.

Cleaning / clearing of blockages of Gully/ Nahani Trap by removing gratings and making free flow of water and refixing the gratings etc. complete all as specified and as directed

Taking down PVC/ CI pipe jointed in cement mortar, taking out wall/ floor and eaves gutters and rainwater pipes (any size or pattern) including all fittings, heads, shoes, bends, swan-necks etc. (measured overall as fixed along the centre line over fittings and accessories) all as specified and as directed

PVC (SWR) pipes 110mm bore single socketed, in any length with rubber ring joints, laid in trenches or in floors, complete all as specified and as directed.

PVC (SWR) 110mm dia bore pipe single socketed in any length, with rubber ring joint fixed to walls with PVC clamps complete all as specified and directed.

PVC (SWR) pipes 75mm bore single socketed, in any length with rubber ring joints, laid in trenches or in floors, complete all as specified and as directed.

PVC (SWR) pipes 75mm bore single socketed, in any length with rubber ring joints, fixed to walls with PVC clamp, complete all as specified and as directed.

PVC (SWR) bend of any radius 110 mm dia with access door complete all as specified and as directed.

PVC (SWR) bend of any radius 75 mm dia with access door complete all as specified and as directed.

PVC (SWR) junction single, (single T) equal or unequal of 110 mm bore of pipe complete all as specified and directed

PVC (SWR) junction single, (single T) equal or unequal of 75mm bore of pipe complete all as specified and directed

PVC (SWR) branch piece single, (single Y) equal or un equal of 110mm bore of pipe complete all as specified and directed

PVC (SWR) branch piece double, (double Y) equal or un equal of 110mm bore of pipe complete all as specified and directed

PVC (SWR) branch piece, (single Y) equal or un equal of 75mm bore of pipe complete all as specified and directed

PVC (SWR) branch piece, (double Y) equal or un equal of 75mm bore of pipe complete all as specified and directed

PVC (SWR) vent cowl 110mm dia bore of pipe complete all as specified and directed.

PVC (SWR) vent cowl 75mm dia bore of pipe complete all as specified and directed.

Supply and fix in repairs 75mm dia PVC (SWR) floor trap, plain with grating including jointing with solvent cement complete all as specified and directed.

Demolition of cement Concrete (unreinforced) in ground floors and pavings not exceeding 15 cm thickness below or above ground level all as specified and directed.

Hardcore of broken stone or boulders of gauge not exceeding 63 mm, deposited, spread and levelled in layers not exceeding 15 cm thick, watered and rammed to a true surface all as specified and directed.

75mm thick plain Cement concrete, 1:3:6, type C-1 using 20 mm graded stone aggregate as in plinth protection and hard standing finish even and fair complete all as specified and directed.

Site clearing by removal of bushes, shurbs and vegetation and making the surface clean by removing the waste to a distance exceading 50 mtr and not exceeding 250mtr and deposited where directed.

Plain cement concrete 1:4:8 type D-2 using 40mm graded stone aggregate as in sub base to flooring 75mm thick all as specified and directed.

Chequered cement concrete colour tiles 30cmx30cmx20-22mm thick, set, jointed and pointed in neat cement slurry in floors with grey cement and pigment over and including screed bed or bedding layer of mortar 20 mm thick in cement mortar 1:6 complete all as specified and as directed.

Schedule of Credit (Minus) Rs. 34435.00 NOTE: Bidder shall insert credit amount of Rs. 34435.00 as rate in Green field under Col-5.

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