Survey, Investigation and execution for Shifting of Storm Drainage Line near Bhikharipur T point in Varanasi City, U.P. under Deposit Program

Utility Management

Provision for management and safety of existing utilities e.g. electric & telephone cable/ poles, drains etc. during excavation & laying of sewers.

Provision for site clearance after construction period and unforeseen items.

Dismantelling of existing bitumin road

Restoration of bitumin Roads as per PWD specification

Excavation by manually or mechanically up to following depths below G.L. for laying sewer line, in ordinary soil (earth, sand, loam & clay) including cutting of joints pits ramming dressing, leveling by manually or mechanically, refilling of trenches in 20cm layer watering and ramming the same including removal of surplus earth or other dismantled material up to a distance of 50m from the centre of trenches. (Excavation for Manhole is included in manhole item and not to be paid under this item)

1200 mm Dia

00.00m – 01.50m B.G.L.

01.51m – 03.00m B.G.L.

03.01m – 04.50m B.G.L.

04.51m – 06.00m B.G.L.

1400 mm Dia

00.00m – 01.50m B.G.L.

01.51m – 03.00m B.G.L.

03.01m – 04.50m B.G.L.

04.51m – 06.00m B.G.L.

Provide and fix close timbering (covering surface area by plank in trenches for the following depths below G.L. consisting of 40mm thick approved country wood plank for poling board 125x75mm Indian Sal wood wallers and 100mm diameter Sal wood ballies for shuttering at 1.50m c/c including removal after laying ( will be taken as one side for the purpose of payment and measurement i.e. area equals to length x depth of trenches). dismantled timbering material will be the property of the contractor.

Close timbering in trenches 3.0 - 6.0m deep.

GRANULAR BEDDING

Providing and laying Granular bedding with carefully compacted graded hard crusher broken stone of 100% passing through 20mm sieve, 20-50% passing throgh 10mm sieve and 100% retained on 6mm sieve and Dimensions are as per Approved Drawing for :

For 1200 mm diameter Sewer

For 1400 mm diameter Sewer

Providing and conveying to site RCC pipes with sulphate resistant cement of NP3 Class (with s/s ends) and diameter as per IS: 458 - 2003 (Amended up to date) including all taxes (Central and Local) with Rubber gaskets as per (EPDM/SBR) for sewer lines as per IS: 5382-1985 or (Amended up to date), including cost of Rubber gaskets, labour required, transportation, loading, unloading & stacking etc.The pipe shall be ISI marked.

1200 mm diameter

1400 mm diameter

Cartage of 1200 mm dia RCC hume pipe NP3 class and specials from store to the site of work. laying of the same pipe in to the trenches in depth up to 0.00 to 1.50 m below the ground level, true to alignment chocking the point laying sewer pipe with rubber ring and Jointing materials including excavation of the below invert level of pipe and testing of laid pipe line complete excluding the cost of excavation of earth and refilling of trenches from ground level to invert level of pipe.

Cartage of 1400 mm dia RCC hume pipe NP3 class and specials from store to the site of work. laying of the same pipe in to the trenches in depth up to 0.00 to 1.50 m below the ground level, true to alignment chocking the point laying sewer pipe with rubber ring and Jointing materials including excavation of the below invert level of pipe and testing of laid pipe line complete excluding the cost of excavation of earth and refilling of trenches from ground level to invert level of pipe.

Disposal of excavated excess earth away from the site including conveyance of material up to an average lead for 5km & above away from the site and corresponding required lift, loading, unloading etc complete as directed by the engineer-in-charge ( The quantity is net quantity deduction of 20% for looseness )

By Mechanical Transport including loading , unloading and stacking (Lead upto 10 Km away from the site)

Disposal of Road Cutting Rubbish / Malba / similar unserviceable, dismantled or waste material by mechanical means , including loading ,transportation , unloading to approved municipal dumping ground or as approved by Engineer - in charge, for 5km initial lead, for all leads including all lifts involved

Interconnection

Provision for inter connection in between proposed Shifted storm drain to existing Manhole of SWD line including cost of all labour material and special T&P required for connection and re-instate the same complete in all respect.

Providing and erecting 2.00 metre high temporary barricading at site; each panel of size 2.50mx2.00m made of 40x40x6mm angle iron or 50x50x3mm hollow MS tube posts/horizontal members/ bracings covered with 1.63mm thick MS sheet. The sheet shall be fixed with 30x5mm MS flat by suitable welding/riveting. The panels shall be made so that gap of 50cm above the ground is available making overall height as 2.5m. MS channel ISLC 75 @ 5.70 kg/m, 50cm long shall be provided at the bottom having oval shaped holes of size 50x25mm at both ends with 50cm long MS angle 40x40x6mm bracing. Suitable arrangement shall be made to fix the barricading to avoid from overturning by providing 250mm long expansion fasteners at both ends. The work shall be executed as per drawing/direction of Engineer-in-Charge which includes writing and painting, arrangement for traffic diversion such as traffic signals during construction at site for day and night, glow lamps, reflective signs, marking, flags, caution tape as directed by the Engineer-in-Charge. The barricading provided shall be retained in position at site continuously i/c shifting of barricading from one location to another location as many times as required during the execution of the entire work till its completion. Rate include its maintenance for damages, painting, all incidentals, labour materials, equipments and works required to execute the job. The barricading shall not be removed without prior approval of Engineer-in-Charge.

Sand filling in pit including supply of necessary quantity of sand from a distance not exeeding 10km. from the site of work and including watering, dressing, etc. rate to include the cost of all materials, labour, T&P etc. required for proper completion of work. (Excluding volume of Manhole)

Manholes

Construction of Brick Circular Manhole in first Class Brick of following Sizes in cemnt mortar 1:4, C.C. top slab with 1:1.5:3, Bed concrete 1:1.5:3, PCC 1:3:6,inside and outside plastering 12 mm thick with cement mortar 1:3 finished with floating coat of neat cement and making channels in Cement concrete with 1:1.5:3,, finished with Floating coat of neat cement complete with including Plastic Encapsulated M.S. foot Rest staggered at 0.375 mtr interval, including excavation, reinforcement and Formwork, SFRC Heavy duty frame and cover as per standard design and drawing.

1200 mm dia Sewer Pipe - D type Manhole

4.51-6.0 m depth with manhole size 1800 mm

1400 mm dia Sewer Pipe - D type Manhole

4.51-6.0 m depth with manhole size 1800 mm

Construction of Brick Circular Catch pit in first Class Brick of following Sizes in cemnt mortar 1:4, C.C. top slab with 1:1.5:3, Bed concrete 1:1.5:3, PCC 1:3:6,inside and outside plastering 12 mm thick with cement mortar 1:3 finished with floating coat of neat cement and making channels in Cement concrete with 1:1.5:3,, finished with Floating coat of neat cement complete with including Plastic Encapsulated M.S. foot Rest staggered at 0.375 mtr interval, including excavation, reinforcement and Formwork, SFRC Heavy duty frame and cover as per standard design and drawing and connected to main proposed Storm water drainage line.