Indian Oil Corporation Limited Tender

Dismantling steel work in built up sections in angles, tees, flats and channels including all gusset plates, bolts, nuts, cutting rivets, welding etc. including dismembering and stacking within 50 metres lead.

Dismantling steel work manually/ by mechanical means in built up sections without dismembering and stacking within 50 metres lead as per direction of Engineer-in-charge.

Demolishing R.C.C. work manually/ by mechanical means including stacking of steel bars and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge.

1:2:4 (1 cement : 2 coarse sand (Zone-III) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources).

Cement mortar 1:6 (1 cement : 6 coarse sand).

Cement mortar 1:4 (1 cement : 4 coarse sand).

With ready mixed red oxide zinc chromate primer of approved brand and manufacture on steel galvanised iron/steel works.

Painting (one or more coats) on rain water, soil waste and vent pipes and fittings with synthetic enamel paint of approved brand and manufacture and required colour on old work :

Painting with synthetic enamel paint of approved brand and manufacture of required colour to give an even shade - One or more coats on old work.

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade-Two or more coats on new work.

Providing half brick masonry with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in cement mortar 1:3 (1 Cement : 3 coarse sand) in superstructure for closing cavity 5 to 7.5 cm wide in cavity wall complete with 10 cm / 11.4 cm wide bitumen felt type 3 grade 1.

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means over areas (exceeding 30 cm in depth, 1.5m in width as well as 10 sqm on plan) including disposal of excavated earth, lead up to 50 m and lift up to 1.5 m, disposed earth to be levelled and neatly dressed:

Earth work in excavation by mechanical means (Hydraulic excavator) / manual means in foundation trenches or drains (not exceeding 1.5 m in width or 10 sqm on plan) including dressing of sides and ramming of bottoms, for all lift including getting out the excavated soil and disposal of surplus excavated soil as directed, within a lead of 50 m: All kinds of soil.

Lettering with black Japan paint of approved brand and manufacture. Note: Rate EACH (EA) stands for "Per letter per cm height".

Filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering, lead up to 50 m and for all lift.

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Clearing grass and removal of the rubbish up to a distance of 50 m outside the periphery of the area cleared.

Supplying and applying various epoxy and other protective intermediate / finish paints of approved brand and manufacturer at all heights over prepared/primed surface for steel structures, pipelines, tanks, vessels, equipments, concrete floors etc. as per manufacturers specification and directions of Engineer-in-charge all complete including all materials, labours, tools-tackles and consumables etc but excluding Scaffolding. Note- No. of coats mentioned in the SOR items are only indicative and contractor has to achieve required DFT by applying more coats (if required) within the relevant SOR item rates.

Aluminium finish paint (IS-2339) to achive a minimum DFT of 40 microns (Two or more coats of 20 micron each)

DISMANTLING OF FLOATING/FIXED ROOF TANK Retrieving all existing fittings, instruments, foam seals, side railings, dismantling of damaged corroded shell / roof of welded oil storage tank by gas cuttings/cold cutting or any other suitable means as directed by engineer in charge and transporting them to storage point/ scrapyard as designated without disturbing / damaging any portion of existing piping, equipment, tank and complete in all respect with all labour, tools, machineries, supervision etc. Requirement of heavy equipment to be envisaged by Engineer-in-Charge and to be arranged separately, if required, as the same in not included in the item rate. Requirement of scaffolding to be envisaged and decided by Engineer-in-Charge as per site requirement and scaffolding item to be paid separately.

Roof : Dismantling of complete roof/ structural/ shell/ course/ truss: Retrieving all the existing fittings, instrumentations, side rails, etc. by gas cutting/ cold cuttings directed by Inspection/ site engineer. And shifting of dismantled roof plates, structural etc. to ground (only scrap) to transport and kept properly the same in scrap yard after taking/ recording weight. During the entire job all safety norms to be followed in any case. Note: The measurement of dismantling, shall be calculated based on actual area laid of complete roof plate minus 10% corrosion correction.

Shell: Dismantling of shell course retrieving/ removing of shell plates. Retrieving all existing manholes/ nozzles/ fittings, instrumentation, side rail etc. by gas cutting/ cold cutting as directed by EIC. Shifting of all scrap to scrap yard/ designated location as per EIC after taking and recording weight. During the entire shifting job, all safety norms to be followed. Note: The measurement of dismantling, shall be calculated based on actual area of shell plate replaced minus 10% correction corrosion.

Bottom: Dismantling of bottom (Annular) plates completely: Dismantling of bottom (Annular) plates, job involves cutting of bottom plateand shell to bottom plate welding, jacking of shell. And also cutting of annular to sketch plate cutting. Dismantling of bottom (sketch) plate: Dismantling of bottom (sketch) plates by gas cutting and roof to be properly supported and handing over to civil maintenance for tank bottom foundation repair. Shifting of roof support as and when required to facilitate repair/ relaying of foundation. Note: The measurement of dismantling, shall be calculated based on actual area laid of complete bottom sketch plate minus 10% corrosion correction.

DISMANTLING OF STAINLESS STEEL PIPING BY HOT WORK (INSULATED / UNINSULATED) Dismantling and removal of above ground or overhead / underground in trenches/ redundant/ steam traced/ insulated/ uninsulated piping of stainless steel by grinding / gouging / plasma cutting from various locations such as pipe racks, columns, pump house, vessels, heaters, heat exchangers, desalter etc. including removal of insulation materials, all on line instruments, fittings, flanges, valves, vents, drains, branching etc.; lowering down the same to ground level with due care so that no other piping, equipment, machinery etc. is damaged; cutting into pieces if required; segregating for salvaging useful fittings such as bends, flanges, valves, instruments etc. by unbolting, gas cutting, cold cutting etc.; transporting and stacking the salvageable useful materials to workshop / instrument workshop / store or as per the direction of the Engineer-in-Charge and shifting the scrap pipes etc. to scrap yard or any other location within refinery premises all complete as per the instructions of engineer in-charge. Scope also includes supplying of all types of tools and tackles, lifting arrangements, equipment, machineries, all consumables and labour etc. to complete the work in all respects including area preparation, taking clearance for hot jobs, blinding and deblinding area cleaning after completion of work, arrangement for flushing wherever required as directed by the Engineer-in-Charge. NOTE : 1. Proper safety arrangements for carrying out the job is under contractor's scope and the same has to be complied with as per the d irections of the Engineer- in-Charge. 2. Salvaging of useful fitting from redundant pipe, if done, will be paid under separate item. 3. Civil works (excavation and back filling) for underground dismantling shall be paid separately. Note: For job execution beyond 5 Mtr. elevation above or below ground level, rates are to be escalated by 10% for every 5 meters. Requirement of scaffolding to be envisaged and decided by Engineer in Charge as per site requirement and scaffolding item to be paid separately.

50 mm NB

80 mm NB

100 mm NB

150 mm NB

PF &ESI as Per OF CIVIL SOR @ 1.87%

PF & ESI as Per OF MECH SOR @ 1.99%