Repairs to wearing coat, Piers, Girder, Slab, Expansion Joints and Railing at Katepurna Bridge on Jalna - Pulgaon NH-753 C Ch. 133/450 in the state of Maharashtra.

Amount

Dismantling of flexible pavements and disposal of dismantled materials up to a lead of 1000 metres, stacking serviceable and unserviceable materials separately etc. complete.

Removal of existing 75mm thick cement concrete wearing coat including its disposal complete as per technical specification without causing any detrimental effect to any part of the bridge structure and removal of dismantled material with all lifts and lead up to 1000m etc. complete.

Providing and laying cement concrete wearing coat M30 grade with batch mix type/concrete mixer with SCADA including reinforcement as per drawings and technical specifications etc. complete with fine agreegates of required specifications(VSI sand finely washed etc)

Repairs of expansion joints by removing rich mix cement concrete including stacking the spoil as directed with all leads, lifts etc. complete.(use of equipments like air compressor is considered in the item)

Providing and laying of a strip seal expansion joint catering to maximum horizontal movement upto 70mm to be installed by the manufacturer/supplier to their authorized representative ensuring compliance to the manufacturers instruction for installation as per approved drawings and standard specifications etc. complete.

Repair of RCC railing to bring it to the original shape, cleaning and repainting as per drawings etc. complete

Providing and laying in situ/ready mix M35 grade RCC jacketing work around the existing piers of bridges etc. complete.(with fully automatic micro processor based PLC with SCADA enabled concrete batch mix plant/pan mixer with fine agreegates of required specifications(VSI sand finely washed etc), height of 8 to 10 meter)

Providing, cutting, bending, hooking, tying and laying in position TMT FE 500 steel bars for reinforcement for all RCC works as per detailed drawings etc. complete

Stone work Joint Filling :Racking of joints in Course rubble masonry(CRM). Sealing of the joints with epoxy mortar confirming to Section 2800 of technical specification, including pointing, finishing ect., complete.(25mm x 25mm)

Repairing of honey combed or spilling area by chipping out the damaged spalled or honey combed portion of concrete up to rusted rebars, cleaning of all rust, scale and loose materials, scaffolding, compressed air machinery etc. complete.(item includes use of air compressor, chipping machine and scaffolding for height 8 to 10 meter)

Providing and applying well mixed polymer cement slurry in ratio 1:2 over well soaked but surface dry concrete and steel rebar for adhesion of fresh cement and sand mortar as per specification as directed etc. complete.(item includes use of polymers like sikaapproved or similar materials of relevant specification and scaffolding for height 8 to 10 meter)

Providing and injecting epoxy grout including structuring of cracks in the body of slab girder, fixing inlet tube arrangement including cost of materials, machinery required for the work labour charges etc.(2kg of grout is considered per hole)

Crack Groove Cutting: Groove shall be cut using hand held electrically operated concrete cutting machine of size of 50mm wide and 75mm deep on each side of the crack to form as "V" groove all along the crack to fill the polyester resin/Epoxy putty(horizontal and vertical cracks). After the groove cutting, the concrete shall be removed from the groove using the pneumatic concrete chipping machine to form "V" groove. The item includes the cost of hire charges for all machineries, tools and barges and all labour charges etc., complete.

Crack Sealing/Filling using epoxy mortar: Base and hardener of the high strength repair mortar . Epoxy putty shall be mixed using the slow speed heavy duty mixing machine to obtain a uniform mix. The mixed materials shall be placed all along the prepared "V" groove and finished smoothly using the putty blade/trowel within 30 minutes by using the divers. The finished surface shall be allowed for curing minimum of 24 hours to attain the strength. The item includes the cost of hire charges of all equipment, tools and plants and all labour charges etc., complete.

Providing and laying in situ/ready mix controlled grade of M20 of trap/granite/quartzite/gneiss metal for RCC works in cut off walls/curtain walls including necessary scaffolding, centering, compacting by vibrator, finishing and curing etc. complete.(with fully automatic micro processor based PLC with SCADA enabled with reversible drum type mixer/concrete batch mix plant(pan mixer) with fine agreegates of required specifications(VSI sand finely washed etc), excluding reinforcement

Excavation for foundation in earth, soils of all types, sand, gravel, soft murum including shoring and strutting, dewatering as necessary and disposing off excavated stuff as directed etc. complete.(By/manaual Means) a) Upto 1.50m lift Normal Rate b) 1.50m to 3.00m lift, Add 10% c) 3.00m to 4.50m lift, Add 20% d) 4.50m to 6.0m lift, Add 30%

Providing and fixing informatory sign boards in rectangular shape of size 1.80m x 0.90m made out of 3mm aluminum composite panel bonded with IRC Specified colour of retro reflective sheeting of Type IV High Intensity Micro-Prismatic Grade Sheeting(HIP) having pressure sensitive/heat activated adhesive, IRC Specified colour retro reflective cutout border & messages having pressure sensitive adhesive having border & messages in IRC Specified colour background including M. S. angle iron frame of size 35mm X 35mm X 5mm & two M.S. angle iron post of size 65mm X 65mm X 6mm, 3.65m long, duly painted with flat oil paint having alternate black and white bands of 25cm width including G.I. fixtures etc; fixing the boards in M-20 concrete block of size 60cm X 60cm X 75cm including transportation etc; complete. Aluminum composite panel with Type IV High Intensity Micro-Prismatic Grade Sheeting.

Providing and fixing Cautionary/Warning sign boards in Equilateral Triangle size of 600mm made out of 1.5mm aluminum sheet bonded with white retro reflective sheeting of Class B(Type IV High intensity micro-prismatic grade sheeting-HIP) having pressure sensitive/heat activated adhesive retoreflective specified back ground, border and back side retoreflctive symbols, letters, numerals, arrow as per IRC:67-2012 Table No 8.3 Supported with back support frame 25mm x 25mm x 3mm, duly painted on back side with grey stove enamel paint and supported on one no. of M. S. angle iron post of size 65mm X 65mm X 6mm, 3.45m long, duly painted with with flat oil paint having alternate black and white bands of 25cm width including G.I. fixtures etc; fixing the boards in M25 grade concrete block of size 60cm X 60cm X 75cm including transportation etc; complete. Class B(Type IV High intensity micro-prismatic grade sheeting-HIP) shall have 7 years written warranty from the manufacturer and authorised distributor/convertor issued for field performance including the screen printed areas and cut-out sheeting and cut-out durable transparent overlay film and this warranty certificate in original should be submitted to the Engineer in charge by the contractor/supplier.

Road Delineators: Supplying and installation of delineators(Roadway Indicators, Hazard markers, Object markers) 80 to 100cm high above ground level, painted black and white in 15cm wide strips, fitted with 80x100mm rectangular or 75mm dia. Circular reflectorised panels at the top, buried or pressed into the ground and confirming to I.R.C. 79 and the drawings

Test on Cement Standard Consistency Fineness, Specific Gravity, Setting Time ( Initial & Final), Compressive Strength, Soundness

Test On Water PH Value, Sulphate & Chloride Content

Test on Crushed Sand Fineness Modulus (Sieve Analysis), Silt & Clay ContentChloride & Sulphate Content Silt Factor

Test on Steel Upto 16 mm (Set of 3 Bars) Above 16 mm (Set of 3 Bars) (Tensile strength, %, Elongation, Yield Stress, Weight-Per Meter, Bend / Rebend Test, Proof Stress.)Nitrol Solution Test. (Set of 3 Bars)

Test on Cement Concrete Compressive strength of C.C.Cube (Set of 3 cubes) Concrete Mix Design by Normal Method (With all Tests on basic materials )

Test on Cement Concrete Agreegates Water Absorption, Specific Gravity, Impact Value, Crushing Value Sieve Analysis Flakiness Index & Elongation Index

SHAILESH BABURAO GAWANDE