CONTRACT FOR STRUCTURAL REPAIRS FOR MT1 GANTRY, CANOPY OF UREA PRILLING TOWER AND ALLIED WORKS FOR UNIT 11, 21 AND 31 IN UREA PLANT AT RCF THAL

REMOVAL OF DAMAGED CONCRETE: ALONG WITH LOOSE DAMAGED AND CRACKED CONCRETE/COVER CONCRETE AT ALL SPECIFIED LOCATIONS BY CHIPPING/HACKING WITH CHISEL AND HAMMER OR BY MECHANICAL MEANS LIKE CHISEL HAMMER, PNEUMATIC CHIPPERS INCLUDING HIGH PRESSURE WATER JETTING TO CHIPPED CONCRETE AND REINFORCEMENT AND REMOVAL AND DISPOSAL OF DEBRIS WITHIN FACTORY PREMISES UPTO 5 KM INCLUDING ALL PLANT AND MACHINERIES. HARD CONCRETE SHALL NOT BE REMOVED.DEPTH OF CHIPPING MAY VERY FROM 20 MM TO 150 MM COMPLETE WITH LABOR, MACHINERY, TOOLS ETC. ALL AS DIRECTED BY ENGG.IN CHARGE. REMOVAL OF DUST, LOOSE PARTICLES,UREA ETC. FROM CONCRETE SURFACE MANUALLY BY WIRE BRUSH, MECHANICALLY OR ANY OTHER MEANS TO OBTAIN A SOUND SURFACE OVER AREAS OTHER THAN ABOVE.

APPLICATION OF CORROSION INHIBITOR: PROVIDING & APPLYING ONE COAT OF CONCRETE PENETRATING CORROSION INHIBITOR OF APPROVED MANUFACTURER (SURFACE APPLIED) WHICH WORKS ON BIPOLAR INHIBITION MECHANISM ON ENTIRE CONCRETE SURFACE TO BE REPAIRED BY USING BRUSH OR SPRAY AS DIRECTED / AS PER MAUNFACTURERS SPECIFICATION APPROVED BY CLIENT AND PRIOR TO APPLICATION OF FIRST COAT OF ANTI-CORROSIVE COATING TO REINFORCEMENT. MATERIAL MANUFACTURER TO BE AS PER RELEVANT CODES AND PRIOR APPROVAL FROM RCF TO BE TAKEN.(PLEASE REFER NIT CONDITIONS FOR APPROVAL OF MATERIALS)

ADDITIONAL REINFORCEMENT : SUPPLYING, CUTTING, FABRICATING NEW REINFORCEMENT FE500D FOR JACKETING, ANY NEW RCC WORK AND PROVIDING ADDITIONAL STEEL REINFORCEMENT TO COMPENSATE CORRODED REINFORCEMENT IN EXISTING MEMBER ETC. AND FIXING WITH OLD EXISTING REINFORCEMENT AS DIRECTED BY EIC AS REQUIRED TYING WITH 16 GAUGE ANNEALED BINDING WIRE COMPLETE AS PER DRAWING AND SPECIFICATIONS FOR ALL HEIGHTS INCLUDING ALL MATERIAL, LABOUR, TOOLS, PLANT AND MACHINERIES, CURING ETC. COMPLETE AS DIRECTED BY ENGINEER-IN-CHARGE (TMT BARS OF VARIOUS SIZE AS REQUIRED). THE SCHEME FOR THE LOCATION MUST BE APPROVED BY THE EIC BEFORE INSTALLATION. MATERIAL MANUFACTURER TO BE AS PER RELEVANT CODES AND PRIOR APPROVAL FROM RCF TO BE TAKEN.(PLEASE REFER NIT CONDITIONS FOR APPROVAL OF MATERIALS).

BOND COAT: PROVIDING AND APPLYING STRUCTURAL GRADE EPOXY BONDING AGENT, WHICH SHALL BE A SOLVENT-FREE, EPOXY-BASED TWO-COMPONENT RESIN SYSTEM. THE BONDING AGENT SHALL BE APPLIED BY BRUSH AND MUST REMAIN IN A TACKY STATE AFTER APPLICATION FOR A MINIMUM PERIOD OF 5 TO 6 HOURS. THE PRODUCT SHALL COMPLY WITH BS 6319 STANDARDS OR RELEVANT STANDARDS. THE ADHESIVE BOND TO THE CONCRETE SUBSTRATE SHALL EXCEED THE TENSILE STRENGTH OF THE HOST CONCRETE, COMPLETE. (THE NEW REPAIR MORTAR/CONCRETE SHOULD BE APPLIED WITHIN THE OVERLAY TIME OF THE EPOXY BONDING AGENT AS SPECIFIED IN THE MANUFACTURER'S DATA SHEETS.) THE SCHEME FOR THE LOCATION MUST BE APPROVED BY THE EIC BEFORE INSTALLATION. MATERIAL MANUFACTURER TO BE AS PER RELEVANT CODES AND PRIOR APPROVAL FROM RCF TO BE TAKEN.(PLEASE REFER NIT CONDITIONS FOR APPROVAL OF MATERIALS).

REPAIRING DAMAGED RCC MEMBERS BY GRADE POLYMER MODIFIED MICRO CONCRETE: PROVIDING AND APPLYING NON-SHRINK CEMENTITOUS POLYMER MODIFIED MICRO CONCRETE HAVING A COMPRESSIVE STRENGTH RANGING FROM 40MPa TO 50MPa OF ANY THICKNESS AS PER SITE REQUIREMENT OF APPROVED BRAND INCLUDING CURING ETC. AS PER MANUFACTURER'S SPECIFICATIONS OR AS PER INSTRUCTIONS OF ENGINEER IN-CHARGE (THE ITEMS SHALL BE PAID ON ACTUAL CONSUMPTION OF PREPACKED MICRO-CONCRETE BAGS QUANTITY ONLY). THE RATE SHALL BE INCLUSIVE OF SURFACE PREPARATION BEFORE APPLICATION AS PER THE MANUFACTURER'S SPECIFICATIONS AND SHUTTERING WHEREVER NECESSARY ETC EXCLUDING BOND COAT, INCLUDING ALL REQUIRED AGGREGRATES, TOOLS, TACKLES ARRANGEMENT ETC COMPLETE AS DIRECTED BY EIC.THE SCHEME FOR THE LOCATION MUST BE APPROVED BY THE EIC BEFORE INSTALLATION. MATERIAL MANUFACTURER TO BE AS PER RELEVANT CODES AND PRIOR APPROVAL FROM RCF TO BE TAKEN. (PLEASE REFER NIT CONDITIONS FOR APPROVAL OF MATERIALS).

PROTECTIVE COATING:PROVIDING, AND APPLYING NON-TOXIC, SOLVENT FREE, NOVOLAC EPOXY RESIN BASED COATINGS IN TWO COATS AT THE RATE OF 0.25 LITRE PER SQM PER COAT INCLUDING PRIMER COAT AT THE RATE OF 0.15 LITRE PER SQM PER COAT OF APPROVED MAKE AND SHADE AND SHALL BE APPLIED ON THE CONCRETE SURFACE INCLUDING NECESSARY SURFACE PREPARATION . ITEM RATE INCLUSIVE OF ALL MATERIALS, LABOURS, SUPERVISION, TOOLS, TACKLES, TRANSPORTATION, ETC., COMPLETE AS PER SPECIFICATION AND AS DIRECTED BY EIC. WITH PRIOR APPROVAL OF EIC.MATERIAL MANUFACTURER TO BE AS PER RELEVANT CODES AND PRIOR APPROVAL FROM RCF TO BE TAKEN.(PLEASE REFER NIT CONDITIONS FOR APPROVAL OF MATERIALS)

PROVIDING AND FABRICATING STRUCTURAL STEEL WORK IN ROLLED SECTIONS JOISTS, CHANNELS, ANGLES, TEES, PLATES ETC. FOR KERB ANGLES,NOSING ANGLES BOTTOM BRACINGS AND NUT-BOLTS FOR COLUMNS/BEAMS ETC. AS PER DETAILED DESIGN AND DRAWINGS OR AS DIRECTED BY EIC CUTTING, FABRICATING, HOISTING, ERECTING, FIXING IN POSITION MAKING RIVETED/BOLTED/WELDED CONNECTIONS WITH CONNECTING PLATES, BRACES ETC., INCLUDING ONE COAT OF RED-OXIDE PRIMER AND OVER IT TWO COATS OF ENAMAL PAINTING OF APPROVED QUALITY AND SHADE ETC. COMPLETE. (OF MAKE TATA/SAIL/RINL/JSW ONLY OR AS APPROVED BY EIC )

. SUPPLYING, TRANSPORTING TO SITE, ERECTING& FIXING IN POSITION FRP GRATING WITH CHEQUERED PLATE OF TYPE:PULTRUDED FRP GRATING 1. SIZE: SPAN EQUAL TO GANTRY WALKWAY WIDTH AND LENGTH SHALL BE 1.0M OR 2.0M 2. HEIGHT: 30 MM MIN. , CHEQUERED PLATE THICKNESS: MIN. 5MM 3. LOAD CAPACITY: TO CARRY UNIFORM DISTRIBUTED LOAD: 1000 KG/ SQ. METER (MIN.) 4. BEARING BAR TYPE: I- BAR 5. DISTANCE BETWEEN BEARING BAR CENTRES: 40 MM 6. DISTANCE BETWEEN CROSS RODS: MAX. 150MM 7. RESIN TYPE: VINYL ESTER. 8. COLOUR: PREFERABLY YELLOW / DARK GREY 10. UV STABILIZED 11. HIGH CHEMICAL RESISTANCE 12. FLAME RETARDANT 13. 08 NOS. SS 304 FIXTURES PER GRATING. NOTE: LOAD TEST CERTIFICATE SHALL BE FURNISHED ALONG WITH SUPPLY OF MATERIAL.

SUPPLYING, FABRICATING & ERECTING IN POSITION BOLTED AND/OR WELDED HOT DIPPED GALVANISED GRATING IN WALKWAYS, PLATFORMS, ETC (FABRICATED AS PER APPROVED DRAWING) MADE OUT OF CONTRACTORS OWN MS FLATS, HYSD REINFORCEMENT BARS ETC.INCLUDING CUTTING TO REQUIRED SIZE, SHAPE, MAKING HOLE OF REQUIRED SIZE, MAKING THE EDGES SMOOTH, GETTING IT HOT DIP GALVANISED AFTER FABRICATION, ERECTING USING GI CLAMPS, NUT BOLTS AND WASHERS FOR THE STRUCTURES UPTO AND INCLUDING THE PLATFORM IN THE RESPECTIVE LEVEL CATEGORY ETC.COMPLETE AS DIRECTED BY EIC. ALL MATERIAL TO BE SUPPLIED BY THE CONTRACTOR. HYSD REINFORCEMENT SHALL CONFIRM TO IS:1786 FE415 AND MS FLAT SHALL CONFIRM TO IS:2062. HOT DIP GALVANISING SHALL BE OF 86 MICRONS THICKNESS CONFIRM TO IS:2629. PAYMENT FOR G.I. GRATINGS SHALL BE MADE AS PER THE ACTUAL PHYSICAL WEIGHT OF THE G.I. GRATING AS OBTAINED AT SITE. THIS INCLUDES SUPPLYING, FABRICATING & ERECTING IN POSITION BOLTED AND/ OR WELDED HOT. APPROXIMATE WEIGHT OF GRATING SHALL BE 30 TO 40 KG/SQ.M.

PROVIING & FIXING POLYPROPLENE NET ON CONCRETE SURFACES WITH NECESSARY TOOLS AND FIXTURES AS DIRECTED BY EIC. POLYPROPLENE NET TO BE APPROVED BY EIC BEFORE START OF JOB ETC COMPLETE.

HIRING CHARGES FOR DIESEL OPERATED , TRUCK (CHASSIS) MOUNTED ARTICULATE BOOM LIFT WITH OPERATOR. SHIFT OF 10 HRS

LIQUID APPLIED POLYURETHANE WATERPROOFING MEMBRANE: PROVIDING AND CARRY OUT WATERPROOFING TREATMENT TO SOUND,MOISTURE FREE CONCRETE SURFACE USING AN LIQUID APPLIED SINGLE COMPONENT POLYURETHANE COATING CAPABLE OF BRIDGING SUBSTRATE CRACKS UPTO 2 MM. SYSTEM INCLUDES PROPER SURFACE PREPARATION TO REMOVE LOOSE DUST, DIRT, LOOSE MORTAR, CURING COMPOUND ETC., CARRY OUT CEMENTITIOUS INJECTION GROUTING AT LEAKAGE POINTS AND CONSTRUCTION JOINTS USING CEMENT SLURRY MODIFIED WITH AN-PLASTICISED EXPANSIVE GROUT ADMIXTURE SUPPLIED IN POUCH, APPLICATION OF POLYMER MODIFIED MORTAR VATTA AT FLOOR-WALL JUNCTION, FILLING OF ANNULAR SPACE AROUND RAIN WATER OUTLET USING AN NON-SHRINK CEMENTITIOUS GROUT AND APPLICATION OF TWO COATS OF SINGLE COMPONENT LIQUID APPLIED MEMBRANE, COMSUMING @ 2.25 KG/M2 FROM 25 KG DRUM TO ACHIEVE 1.5 MM THICKNESS IN TWO COATS COMPLETE INCLUDING ALL TOOLS AND TACKLES AS PER MANUFACTURER’S SPECIFICATION. LIQUID APPLIED MEMBRANE CURED MATERIAL SHALL SHALL BE HAVING CRACK BRIDGING OF 2 MM, ELONGATION (ASTM D412) – 500 TO 700 %, TENSILE STRENGTH (ASTM D412) – > 2.0N/MM2, RECOVERY FROM ELONGATION (ASTM D412) – 95 %, 85% SOLID CONTENT, TEAR RESISTANCE (ASTM D624) – 15 KN/M, WATER PERMEABILITY @ 5 BAR (BS EN 12390)-NIL, FLASH POINT > 66 °C, VISCOSITY-60P, SPECIFIC GRAVITY-1.5 +/- 0.1

ALIPHATIC POLYURETHANE PROTECTIVE COATING: PROVIDING AND APPLYING, AN TWO-COMPONENT, ALIPHATIC POLYURETHANE PROTECTIVE COATING, PROVIDING EXCEPTIONAL RESISTANCE TO UV RADIATION, CHEMICALS, AND ENVIRONMENTAL EXPOSURE. IT ENSURES LONG-LASTING PROTECTION, FORMING A SEAMLESS, HYGIENIC SURFACE THAT IS EASY TO CLEAN. THIS COATING IS NON-YELLOWING, IDEAL FOR MAINTAINING AESTHETIC INTEGRITY IN HARSH CONDITIONS. KEY PROPERTIES INCLUDE A POT LIFE OF 3 HOURS AT 30°C, MIXED DENSITY OF 1.30 ± 0.03 G/CC, AND A SOLAR REFLECTANCE INDEX (SRI) OF 104 FOR PURE WHITE SHADE. IT ALSO OFFERS >82% SOLAR DIRECT REFLECTANCE, >90% EMISSIVITY (ASTM E 1980-19), RECOAT TIME OF 2-4 HOURS, AND CURES IN 16 HOURS AT 30°C. THE BOND STRENGTH TO CONCRETE IS >1 MPA (ASTM D4541), AND TO STEEL (WITH APPROPRIATE PRIMER) IS ALSO >1 MPA. THE COATING IS APPLIED IN TWO COATS, PROVIDING APPROXIMATELY 40 MICRONS DFT PER COAT, WITH PRACTICAL COVERAGE OF 10 M² PER LITER. IT BECOMES TACK-FREE IN 2-4 HOURS AND FULLY CURES IN 5 DAYS. SURFACES MUST BE CLEAN AND SOUND, WITH CONCRETE FREE FROM LAITANCE AND STEEL PRIMED WITH AN APPROPRIATE PRIMER. THE COATING COMPLIES WITH THE FOLLOWING STANDARDS: ASTM D4541 FOR BOND STRENGTH, ASTM E1980-19 FOR SOLAR REFLECTANCE INDEX, AND ADHERES TO THE REQUIREMENTS OF THE INDIAN STANDARD (IS 9103) FOR COATINGS ON CONCRETE.

Please Enable Macros to View BoQ information