Revamping of Main Sewer lines with RCC manholes Phase-I of LS-4 Zone in South PDPM area of Kalpakkam Township.

Amount

All kinds of soil upto 1.50mtr depth

All kinds of soil exceeding 1.50 mtr depth but not exceeding 3.00 mtr depth

All kinds of soil exceeding 3.00 mtr depth but not exceeding 4.50 mtr depth

All kinds of soil exceeding 4.50 mtr depth but not exceeding 6.00 mtr depth

Excavating trenches of required width by mechanical means (Hydraulic excavator / manual means) for pipes, cables etc., for depth upto 1.5m in all kinds of soil including excavation for sockets, dressing of sides, ramming of bottoms, getting out the excavated soil and then refilling the soil as required in layers not exceeding 200mm in depth, consolidating each deposited layer by ramming, watering etc., and disposing of surplus excavated soil as directed within a lead of 50m, (Disposed soil to be levelled by breaking clods, if any and neatly dressed), etc., all complete as per specification.

All kinds of soil upto 1.50mtr depth

All kinds of soil exceeding 1.50 mtr depth but not exceeding 3.00 mtr depth

All kinds of soil exceeding 3.00 mtr depth but not exceeding 4.50 mtr depth

All kinds of soil exceeding4.50 mtr depth but not exceeding 6.00 mtr depth

Providing a system for dewatering and drainage of water from site to main drain so as to retain the excavated formation dry for the duration required including all equipment's, consumables, site protection, etc., all complete as per specifications and as directed by Engineer- in-Charge.

Providing close timbering over areas of excavated pit to protect the earth surface / structures including strutting, shoring and packing cavities wherever required etc., all complete as per specification and as directed by Engineer-In-Charge. (Note: Face area of the timbered surface shall be measured for payment.)

Depth not exceeding 1.50mtr

Depth exceeding 1.50 m but not exceeding 3.00 m

Depth exceeding 3.00 m but not exceeding 4.50 m

Removal and uprooting tree roots with necessary excavation cutting the lateral roots, conveying the uprooted tree roots at the places as directed including filling the excavated pits all as per specification.

Carrying out surveying work with Total Station and Dumpy Level along with surveyor and helper to map the existing sewer lines including checking the invert levels of existing sewer/inspection chamber/man hole, mapping the route/line, proposed route/location with levels, preparing the digitized drawing in AutoCAD, submitting the detailed area wise report along with AutoCAD drawings in soft copy and A0 hard copy drawings, etc., all complete as directed by the Engineer - In - Charge. Note : 1) The detailed report and drawings shall be submitted in a phased manner from LS1 to LS4. Each phase shall be completed within one month. 2) Payment will be released for every completed phase after submission of detailed report and drawings. 3) One operation shall be for engaging one surveyor with helper for 8 Hour duration to carryout the above work including plotting, submitting report, etc.,

Providing and laying in position of plain cement concrete using hard granite broken stone for all insitu levelling courses in foundations, floor, roof screeding, encasing pipes, etc., including mechanical mixing, ramming, compaction, leveling, curing, dewatering, if any including the cost of formwork etc., all complete as per specifications.

1 : 3 : 6 (1 cement : 3 sand : 6 graded stone aggregate 40mm nominal size)

Providing, erecting, placing in position and removing Formwork for all insitu concrete works at all lifts and all shapes such as circular works, chamfers, splays, etc., using Steel / Plywood shuttering including centering, scaffolding, strutting, propping with necessary bracing in all areas, fixing of EPs, cutting holes and fixing pipe sleeves, applying of approved form oil over surface in contact with concrete, de-shuttering after specified curing period, etc., all complete as per drawings and specifications. [Note : Measurement for the formwork shall be the area of forms in contact with concrete surfaces. Stop boards for construction joints will not be measured separately for payment. Centering and shuttering where exceeding 3.5m height in one floor shall be measured and paid for separately.]

For Plain Surfaces upto 3.5m height

Providing and casting insitu Reinforced Cement Concrete 1 : 1.5 : 3 using machine crushed hard broken granite stone of nominal size 20mm including mechanical mixing, transporting, placing at all lifts, vibrating, consolidation, curing, finishing smooth all exposed faces, for all insitu concrete items, etc. as per drawings and specifications. Note :The rate quoted shall be exclusive of reinforcement and formwork which will be paid for separately under relevant items.

Providing, cutting, bending, placing and binding steel reinforcement using TMT bars of Fe-500D grade in all reinforced cement concrete works including cutting, bending, fixing, tieing in position with 1.6 mm dia soft drawn annealed binding wire, cost of cover blocks in C.M 1:2, etc., complete as per specifications and drawings. Important Note: The required quantity of steel reinforcement as mentioned in the schedule should be procured by the contractor only of SAIL, Rashtriya Ispat Nigam Limited (VIZAG), TATA Steel & JINDAL from authorised dealers which shall conform to IS: 1786 (Latest Edition).

Providing and laying Random Rubble masonry in Cement mortar 1 : 6 (1 cement: 6 coarse sand) in foundation and plinth using hard granite stones obtained from approved quarry including bond stones of 2 Nos/Sq.m at 1.5 to 1.8 mtrs apart, raking out joints, curing, etc., all as per standard specification.

Providing and laying brick masonry in Cement Mortar 1:6 with well burnt chamber bricks / FALG Bricks of approved quality in all shapes and sizes including scaffolding, curing, raking out joints, etc., all complete as per specifications and as directed by Engineer-in-charge.

Providing and laying of underground drainage / Sewerage uPVC pipes of SN 8 class (SDR-34) conforming to IS:15328 of approved make suitable for elastomeric sealing ring joints including cost of spigot and socket end pipes with provision for sealing rings, specials, cutting, jointing with elastomeric seals, testing, etc., all complete as per specifications and as directed by Engineer-in-Charge.

250mm OD uPVC pipes SN8 Class

315mm OD uPVC pipes SN8 Class

400mm OD uPVC pipes SN8 Class

Supplying, laying and fixing in position the following sizes of ductile iron pipes in standard length of K-9 class conforming to IS:8329/2000, suitable for rubber gasket (SPR) push on joints, pipes shall be bearing with ISI marks and cement mortar lining inside barrel including lowering them into the excavated trenches and laying, fixing in position to proper grade and alignment all as per IS:12288 and standard specifications including cutting the pipes to the required length, cost of labour, pipes and other materials, tools and plants for laying and installing the pipe lines and testing the lines to the required hydrostatic pressure of 14 kgs./sq.cm. at the specified intervals but excluding cost of Ductile iron specials / fittings and joints which will be paid under relevant items. (Note: The effective length of the DI fittings / specials, valves, double flanged pipes, etc., will be deducted from the overall measurement of the pipe line for making payment against this item).

100mm dia. K-9 class DI pipes

150mm dia. K-9 class DI pipes

Providing and fixing rubber gasket (SBR or EPDM) push on joints to the following sizes of DI pipes including insertion of rubber gasket into the centering rings of the socket of the pipes and pushing the spigot end into socket and making the joint intact to withstand the hydrostatic pressure of 14Kgs./sq.cm. including cost of all materials, rubber gasket, tools and plants, etc., complete conforming to IS:5382/1985 and IS:12288/1987.

100mm dia. NB DI pipes

150mm dia. NB DI pipes

Supplying and fixing tested heavy quality DI specials / fittings K-12 class socket, spigot and flanged specials such as bends, collars tapers, tees, duckfoot bend, flanged socket and flanged spigot tail pieces, blank flanges, etc. and conforming to IS:9523/2000 and IS:8329/2000 drilling holes to the flanged fittings shall be PN classification and socket specials /fittings shall be suitable for rubber gasket (SPR) push on joints, etc., complete (Joints will be paid for separately under relevant items).

Upto 300mm dia.

Casting, transportation, laying and erection of M25 grade factory made precast manhole chamber with the following height as mentioned below to the required location at site using sulphate resisting cement confirming to IS 12330:1988 and machine crushed hard broken granite stone of nominal size 20mm including curing, finishing smooth all exposed faces, mechanical mixing of concrete at the precast yard, erecting man hole chamber with minimum joints to line and levels using mechanized method with due safety precautions, joints shall be finished with cement mortar 1:3, etc., all complete as per approved drawing and specification and as directed by Engineer-in-Charge. Note:- 1. The rate quoted shall be inclusive of reinforcement and formwork. 2. Cost includes loading, unloading and transportation from the precast yard to the required location at site. 3. Concrete rate includes the finalisation of mix design, testing of concrete ingredients, required testing to confirming the M25 grade and submission of detailed report before commencement of work. 4. Reinforcement steel should be procured by the contractor only of approved make with a manufactures test certificate, which shall conform the latest IS specifications of TMT bars of Fe500D grade conforming to IS: 1786 and to be tested in Government authorised laboratory before using it on works. 5. Risers for extra depth shall be erected and jointing with approved adhesives or cement mortar 1:3 as per manufacturer specifications with minimal joints as approved by Engineer-in-Charge.

Precast RCC manhole chamber of size 1200mm inner dia & 125mm wall thickness with Base slab at bottom, cone and cover slab at top upto 1250mm depth

Extra depth for precast RCC manhole chamber of size 1200mm inner dia & 125mm wall thickness using required height of risers with minimal joints beyond the height 1250mm of bottom base slab and top cone unit

Precast RCC manhole chamber of size 1500mm inner dia & 200mm wall thickness with Base slab at bottom, cone and cover slab at top upto 1700mm depth

Extra depth for precast RCC manhole chamber of size 1500mm inner dia & 200mm wall thickness using required height of risers with minimal joints beyond the height 1700mm of bottom base slab and top cone unit

Providing and laying in position of Plain Cement Concrete 1 : 2 : 4 using 20mm maximum size hard granite broken stone for forming benching and channelling, finishing smooth of bottom of chambers etc., all as per specifications, drawings and as directed by Engineer - In- Chamber.

Construction of rectangular Manhole/ Inspection Chamber of following size clear internally with brick masonry walls 230mm thick using well burnt chamber bricks in Cement Mortar 1:5 (with necessary corbelling as required), plastering with Cement Mortar 1:3; 12mm thick inside and outside, inside finished smooth with a floating coat of neat cement and outside trowel finished including excavation in all types of soils, back filling, providing and laying bed concrete 150mm thick and having 150mm wide projection on all the sides with Plain Cement Concrete 1:4.5:8 using 40mm maximum size hard granite broken stone, forming, benching and channelling in plain cement concrete 1:2:4 using 20mm maximum size hard broken granite stone, finishing smooth etc., all as per specifications, drawings and as directed at site - to an initial depth upto 1.00 metre. (Note: The rate quoted shall be excluding the cost of cover slab & steel reinforcement which will be paid for separately under relevant item.)

900x600mm for initial depth of 1.00 metre.

Extra depth of rectangular manhole/ inspection chambers of size 900x600mm over the initial depth of 1.00 metre.

Providing and laying of Wet Mix Macadam (WMM) for Sub-base and base course conforming to clause 406 of MORT&H Specification for road and bridge works (Fifth Revision) using 53mm downgraded stone aggregate including cost of coarse aggregates, fine aggregate, premixing the Material with water at OMC in mechanical mix plant, carriage of mixed Material by tipper to site, laying in uniform layers with paver/motor grader in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density, etc., all as per specification and as directed by Engineer-in-charge.

Removing and relaying the existing cement concrete interlocking paver blocks of any design/shape laid in required line, level, curvature, colour and pattern over including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand, removing the existing paver tiles, etc., all complete as per the direction of Engineer-in-charge.

Disposal of surplus excavated earth / Debris by collecting, loading, transporting by mechanical means and unloading them at places as shown by the Department within a lead specified below and levelling, etc., all complete as per specifications and as directed by the Engineer-in-Charge. Note: 1) The rates in respect of this item are applicable for the NET Quantities arrived at after making deductions for voids @ 20% in respect of soil and @ 50% in respect of rock from the corresponding stack / truck measurements. 2) The earth shall be dumped well inside the dumping yard and not over approach pathway road.

Exceeding 1 Km but not exceeding 2 Kms

Dismantling Plain cement concrete/Brick bat coba at all lifts including clearing and depositing the same with a distance of 100 metres as directed by Engineer-in-charge.

Dismantling Reinforced cement concrete at all lifts including clearing and depositing the same with a distance of 100 metres as directed by Engineer-in-charge.

Dismantling Brick work in cement mortar at all lifts including clearing and depositing the debris within a distance of 100 metres all as directed by Engineer-in-charge.

Dismantling RR Masonry in cement mortar at all lifts including stacking of RR stone, clearing and depositing the debris within a distance of 100 metres all as directed by Engineer-in-charge.

Cutting the existing WBM / BT road for pipeline / cable trenches including restoring to its original condition using the retrieved and supply of extra quantities of materials etc., as per specifications and as directed by the Engineer-in-charge.

PART - B : ELECTRICAL ITEMS Removal from a location, transportation and storage of removed poles in specified location.

8 to 14.5 mtr RCC straight/single/Y pole

Post top lantern upto 4mtr height

Transportation from stockyard to new location, installation & commissioning of RCC Straight / Single / Double Arm / "Y" Poles/Spun pole (8 Mtr to 14.5 Mtr height) / PTL including transportation of JB, GI pipes, within a maximum lead of 5kms including excavation, 1:4:8 mudmat and back filling etc as per the detailed specification.

8 to 14.5 mtr RCC straight/single/Y pole

Post top lantern upto 4mtr height

Loading, Transportation, Unloading at site, Laying, Testing and Commissioning of one number PVC/HRPVC/XLPE insulated and PVC sheathed Stranded Aluminium/copper conductor power cable of 1.1 KV grade of following sizes direct in ground including excavation, sand cushioning, protective covering with chamber burnt/cement bricks on sides & top, refilling the trench and providing RCC route indicator etc as required (Note: Cable will be issued free of cost by the department).(Refer Sec VI, Clause No.3)

3/3.5/4 Core X upto 25 Sq.mm

Loading, Transportation, Unloading at site, installation, Testing and Commissioning of 1100 Volts Grade PVC/HRPVC/XLPE insulated, Stranded Aluminium/copper conductor cables of following sizes in built-in trenches, on walls, poles and through embedded pipes including supply of GI spacer, clamps etc and as per the detailed specification (Note: Cable will be issued free of cost by the department).(Refer Sec VI, Clause No.3)

3/3.5/4 Core X upto 25 Sq.mm

Retrieval of the existing one number PVC/HRPVC/XLPE insulated and PVC sheathed power cable of 1.1 KV grade of following sizes laid direct in ground including Removal of end termination, excavation of trenches, retrieving of bricks and back filling as per the detailed specification.(Refer Sec VI, Clause No.5)

3/3.5/4 Core upto 25 Sq.mm

3/3.5/4 Core Above 25 & Upto 120 Sq.mm

3/3.5/4 Core Above 120sqmm & upto 240 sq.mm

Retrieval of the already laid one number 1100 Volts Grade XLPE/HRPVC insulated, Stranded Aluminium conductor cables of following sizes in built-in trenches, on walls, poles and from embedded pipes including removal of end termination GI spacer, clamps etc as per the detailed specification. (Refer Sec VI, Clause No.5)

3/3.5/4 Core upto 25 Sq.mm

3/3.5/4 Core Above 25 & Upto 120 Sq.mm

3/3.5/4 Core Above 120sqmm & upto 240 sq.mm

Relaying of one number PVC/HRPVC/XLPE insulated and PVC sheathed power cable of grade 1.1 KV of following sizes direct in ground including transportation of cables, excavation and backfilling of soil, supply of sand etc as per the detailed specification.(Note: Cable & Brick will be supplied by department as free issue item) (Refer Sec VI, Clause No.6)

3/3.5/4 Core Upto 25 sq.mm

3/3.5/4 Core Above 25 Sq.mm & upto 120 Sq.mm

3/3.5/4 Core Above 120 Sq.mm & upto 240 Sq.mm

Relaying of one number 1100 Volts Grade PVC/HRPVC/XLPE insulated, Stranded Aluminium/copper conductor cables of following sizes in built-in trenches on walls, poles and through embedded pipes using the retrieved spacer & clamps as per the detailed specification. (Note: Cable will be supplied by department as free issue item) (Refer Sec VI, Clause No.6)

3/3.5/4C X Upto25sqmm

3/3.5/4 Core Above 25 & Upto 120 Sq.mm

3/3.5/4 Core Above 120 & Upto 240 Sq.mm

Temporary laying of LT cables of following sizes in open air / in Built in trench. (Refer Sec VI (MNC), Clause No.30).

Sizes up to 3.5C X 70 Sq.mm Aluminium conductor (Refer Sec VI (MNC), Clause No.30).

End Termination of the following sizes of Aluminium Conductor PVC Insulated and sheathed armoured UG Cable using Single Compression, Heavy Duty, Gland connecting the cable to the equipment such as Switches/Panel Boards etc. using Comet or equivalent make Aluminium crimping lugs as directed by Engineer-in-Charge. The rate shall include the cost of supply of Cable Gland and Lugs. The Contractor shall arrange for making holes wherever necessary for fixing cable gland. (Refer Sec VI, Clause No.10.1).

4 Core X10 sq.mm

4 Core X 16 sq.mm

Removal of termination of armoured cables of following sizes from electrical equipment or reconnecting of removed termination

Sizes upto 4C X 25 sq.mm

Sizes above 4C X 25 sq.mm and upto 4C X 70 sq.mm

Supply, installation, testing and commissioning of the following Raychem make Heat Shrinkable Cable Straight Through Jointing Kits (Crimping type) for 3.5 Core Aluminium Conductor, 1.1 kV (E), PVC/XLPE insulated cables of following sizes as specified. Excavation will be measured separately. (Refer Sec VI, Clause No.10.6).

Straight Through Joint (Crimping type) for 4 Core, 10 - 16 Sq. mm

Straight Through Joint (Crimping type) for 3.5 Core, 25 - 50 Sq. mm

Straight Through Joint (Crimping type) for 3.5 Core, 70-95 Sq. mm

Straight Through Joint (Crimping type) for 3.5 Core 120- 185 Sq. mm

Supply and Installation of following Raychem make Heat Shrinkable, Insulating, CABLE REPAIR SLEEVE (wrap around sleeve) of various sizes suitable for 1.1KV XLPE/PVC insulated cables of following sizes as specified. Excavation will be measured separately.

Cable repair sleeve for 4C x 10sq.mm, having Length of minimum 500mm

Cable repair sleeve for 4C x 16sq.mm, having Length of minimum 500mm

Cable repair sleeve for 4C x 35sq.mm, having Length of minimum 500mm

Cable repair sleeve for 4C x 50sq.mm, having Length of minimum 700mm

Cable repair sleeve for 4C x 95sq.mm, having Length of minimum 700mm

Cable repair sleeve for 4C x 120sq.mm, having Length of minimum 700mm

Cable repair sleeve for 4C x 185sq.mm, having Length of minimum 910mm

Supply and installation of Hume Pipe Direct in ground. (Refer Sec VI, Clause No.8.1).

Supply and installation of 100 mm Dia. 2 Mtrs Long, NP 2 Class Hume Pipes at a depth of 1200 mm including supply of Collars and fixing them with1:1 cement mortar and curing, including cutting for crossing of existing road and excavation of all types of soil, backfilling, normalisation of road etc complete as directed by Engineer-in-Charge.

Supply and installation of 150 mm Dia. 2 Mtrs Long, NP 2 Class Hume Pipes at a depth of 1200 mm including supply of Collars and fixing them with1:1 cement mortar and curing, including excavation in all types of soil, backfilling complete as directed by Engineer-in-Charge.

Supply, installation and testing of GI Pipe Earth Electrode as per IS: 3043 including RCC Chamber and RCC cover slab as per Drawing Nos. IGC/ESD/5060/1007/1 & IGC/ESD/5060/1008/1 are enclosed. (50 Kg. Each Bentonite & Charcoal shall be provided for each earth pit). (Refer Sec VI, Clause No.12.4).

Repair of earth pit chamber after removing and disposing old/damaged chambers supply and installing new chamber as per drawing No. IGC/ESD/5060/1008/1. (Refer Sec VI (MNC) clause no.2)

Maintenance of Earth Pits and measurement of Earth Pit Resistance as per the specification. (Refer Sec VI (MNC), Clause No.2).

Removal, shifting and reinstallation of complete Earth pit including Rod Earth Electrode, RCC Chamber and RCC cover slab with in 500 meter. Reinstallation shall be completed and tested as per IS: 3043 and as per Drawing No.IGC/ESD/5060/1003/1 enclosed. (50 Kg. each Bentonite & Charcoal shall be provided for each earth pit). (Refer Sec VI, Clause No.12.3). Scope include Excavation and refilling.

Supply and replacing following earth pit chamber parts after removing and disposing off old/damaged part as per drawing No. IGC/ESD/5060/1008/1.

RCC Top cover alone

RCC ring Collar alone

RCC ring with cover

Supply and Installation of 8 SWG G.I wire for earthing (2 Runs of 3.5 meter each) of Street light Pole Junction box including green colour 4 Sq.mm sleeve, copper lugs and SS Bolts & nuts etc. Complete all confirming to the detailed specification and as directed by Engineer in charge.

Supply and replacement of GI clamp made out of 25 x 3 mm flat of following length including GI strip for street light JB as per the detailed specification. (Refer Sec VI (MNC), Clause No.12).

GI clamps upto 300 mm length

GI clamps of length above 300 mm and upto 600 mm

Replacement of light fixtures (Refer Sec VI (MNC), Clause No.21).

Replacement of street Light fixtures for poles upto 11mtr or at high mast including removal of existing components

Replacement of light fixtures for upto 4mtr/building tops etc including removal of existing fixtures

Temporary connection / disconnection of 415 Volt system as per scope of work.

Preventive Maintenance of Street Light control unit including replacement of damaged flexible wire, lugs etc wherever required. (Refer Sec VI (MNC), Clause No.9).

Preventive Maintenance of Street Light control unit including replacement of damaged flexible wire, lugs etc wherever required including supply of cleaning materials and terminal ends (lugs). All other items required will be issued free of cost by the dept.

M/s. Ashok constructions

Bidder Name

M/s. Ashok constructions

DAMU CONSTRUCTIONS