STRUCTURAL HEALTH / CONDITION ASSESSMENT AND ISSUE OF STABILITY CERTIFICATES FOR VARIOUS STRUCTURES AND BUILDINGS IN AMMONIA, UREA AND CENTRAL STORES AREA AT RCF THAL

TOTAL COST FOR AMMONIA FRONT END LINE I Line 1 N – 1890 To N – 2030 E – 548 To E – 650 Area = (140 × 102) = 14280 sqm. Major Structure/ Equipment’s with brief description: Analyzer Room: Two storied RCC framed structure with dimension 10m x 7m & 7 m. ht. approx.. GV Solution Tank: RCC Equipment Foundation. LP GV Stripper: 1.8m side octagonal RCC foundation 30cm plinth height. GV Absorber: 3m side octagonal RCC foundation with 30cm plinth height. Regeneration: 7 m Dia.circular RCC foundation with 8 no. of column (800mm ×800mm) & RCC Periphery Wall & top Ring Beam at 10 m height. Ammonia MCC: Two storied RCC framed structure with dimension 24m x 11m. ht. approx. & top weather shed. Auxiliary Super Heater foundation: 9 nos of column with dimension 0.5m x 0.5m &. 2 m height. Ammonia BFW Shed: Structural steel shed, with roof & cladding sheets.Dimension 31m x 10 m & 11 m. ht. approx.. GV Section Structure: 20m x 20m & height 18 to 23 meter. Primary reformer: Primary reformer structural steel shed. All other Pipe Racks / cable racks / all Equipment (static / Dynamic) foundations, shed etc. within the battery limit. As per the scope mentioned in Part-A (For 60% payment of total quoted amount) As per the scope mentioned in Part-B (For 30% payment of total quoted amount) Issue of stability certificate after completion of suggested repairs (For 10% payment of total quoted amount)

TOTAL COST FOR AMMONIA FRONT END LINE II Line 2 N – 1890 to N 2030 E – 650 To E – 752 Area = (140 × 102) = 14280m2 Major Structure/ Equipment’s with brief description: Analyzer Room: Two storied RCC framed structure with dimension 10m x 7m & 7 m. ht. approx. (Terrace area) with weather shed. GV Solution Tank: RCC Equipment Foundation. LP GV Stripper: 1.8m side octagonal RCC foundation 30cm plinth height GV Absorber: 3m side octagonal RCC foundation with 30cm plinth height. Regeneration: 7 m Dia.circular RCC foundation with 8 no. of column (800mm ×800mm) & RCC Periphery Wall & top Ring Beam at 10 m height. Ammonia MCC: Two storied RCC framed structure with dimension 29m x 11m. ht. approx. (Terrace area) with weather shed. Auxiliary Super Heater: 9 nos of column with dimension 0.5m x 0.5m &. 2 m height. Ammonia BFW Shed: Structural steel shed, with roof & cladding sheets .Dimension 31 m x 10 m & 11 m. ht. approx., with weather shed. GV Section Structure: 20m x 20m & height 18 & 23 meter. Primary reformer: Primary reformer structural steel shed. All other Pipe Racks / cable racks / all Equipment (static / dynamic) foundations, shed etc. within the battery limit. As per the scope mentioned in Part-A (For 60% payment of total quoted amount) As per the scope mentioned in Part-B (For 30% payment of total quoted amount) Issue of stability certificate after completion of suggested repairs (For 10% payment of total quoted amount)

TOTAL COST FOR AMMONIA BACK END -LINE I Line I N – 2030 To N – 2110 E – 548 To E – 650 Area = (80 × 102) = 8160 sqm. Major Structure Equipment’s Ammonia Start-up Heater Transformer room: Two storied RCC framed structure with dimension 12.5mx 7m with weather shed. Compressor room: 80m × 25m & 18 m ht. with RCC column with RCC tie Beam & top structural steel roof shed. Convertors at Back end (3 NOS Equipment): RCC foundations with structural steel frame. Compressor house north structure: 24m × 16m with 10 m ht. synthesis section with structural steel platform at different level. All other Pipe Racks / cable racks / all Equipment (static / Dynamic) foundations, shed etc. within the battery limit. As per the scope mentioned in Part-A (For 60% payment of total quoted amount) As per the scope mentioned in Part-B (For 30% payment of total quoted amount) Issue of stability certificate after completion of suggested repairs (For 10% payment of total quoted amount)

TOTAL COST FOR AMMONIA BACK END - LINE II Line II N – 2030 To N – 2110 E – 650 To E – 752 Area = (80 × 102) = 8160 sqm Major Structure Equipment’s: Ammonia Start-up Heater Transformer room: Two storied RCC framed structure with dimension 12.5 m x 7 m with weather shed. Compressor room: 80m × 25 m & 18 m ht. with RCC column with RCC tie Beam & top structural steel roof shed. Convertors at Back end (3 NOS Equipment): RCC foundations with structural steel frame. Compressor house north structure: 24m × 16m with 10 m ht. synthesis section with structural steel platform at diff. level. All other Pipe Racks / cable racks / all Equipment (static / dynamic) foundations, shed etc. within the battery limit. As per the scope mentioned in Part-A (For 60% payment of total quoted amount) As per the scope mentioned in Part-B (For 30% payment of total quoted amount) Issue of stability certificate after completion of suggested repairs (For 10% payment of total quoted amount)

TOTAL COST FOR AMMONIA CT (Cooling tower) III AREA N – 1890 to N 2110, E – 752 To E – 815, Area = (220 × 63) = 13860 sqm Major Structure Equipment’s Chlorine cylinder room: RCC framed structure building 6m x 12m & 5 m ht. Parking shed: Structural steel shed with dimension 13m x 11m & 4 m. ht. approx. Ammonia revamp MCC: Two storied RCC framed structure with dimension 22m x11 m & 8m. ht. approx. (Terrace area) with weather shed. Ammonia mechanical shed: Structural steel shed .Dimension 13m x 11m & 4 m. ht. approx. PAC III Shed: Structural steel shed, with roof & cladding sheets with dimension 30m x 17m & 20 m. ht. approx. CT – III: 51m × 20m & 4m ht. RCC tank without slab supporting the wooden structure & fans, connected with sump of 51m × 10m ×4m ht. with RCC slab roof. ARC III Shed: Structural steel shed, with roof & cladding sheets 20m x 16m & 18 m. ht. approx. NFSS Control Room: Three storied RCC framed structure with dimension (13m x 4m) + (10×10) & 14 m. ht. approx. (Terrace area) with weather shed. IAC shed: Structural steel shed, with roof & cladding sheets Dimension 34m x 11m approx. IGP MCC Room: RCC framed structure with structural steel shed,dimension 10m x 6m & 5 m. ht. approx. Instrument air Dryer Shed: Structural steel shed, with roof & cladding sheets .Dimension 15m × 6 m with 6.5 m ht. Inst. Dryer revamp Shed: Structural steel shed, with roof & cladding sheets 9.5m x 6.5m Flare stack line II: 95m ht. structural steel derrick with 4 no. of sloped steel columns (15m ×15m base spacing) erected over 4 no. RCC column 1m×1m & 1m ht. above ground. Superstructure – Derick structure up to height of 60 meter will be carried out in running plant Provision of approach to be made by RCF for testing/inspection. All other Pipe Racks / cable racks / all Equipment (static / Dynamic) foundations, shed etc. within the battery limit. As per the scope mentioned in Part-A (For 60% payment of total quoted amount) As per the scope mentioned in Part-B (For 30% payment of total quoted amount) Issue of stability certificate after completion of suggested repairs (For 10% payment of total quoted amount)

As per the scope mentioned in Part-C-For Shutdown jobs Shutdown Job: Ammonia Flare stack Line II- The remaining or balance job of top 35 meter of Ammonia flare stack requires inspection during shutdown period of plant with necessary approach provision by RCF for structural inspection/testing purpose.

TOTAL COST FOR AMMONIA CT (Cooling tower)- I & CT (Cooling tower) -II AREA N – 1890 to N 2110 E – 458 To E – 548 Area = (220 × 90) = 19800 sqm Major structure CT I & CT II: 70m × 17m & 4m ht. RCC tank without slab supporting the wooden structure & fans, connected with sump of 42m × 14m ×4m ht. with RCC slab roof. CT pump shed: Structural steel shed, with roof & cladding sheets with dimension 45m x 6m. Chlorine cylinder room: RCC framed structure with dimension 6m x 12m & 3 m. ht. approx. Flare stack line I: 95m ht. structural steel derrick with 4 no. of sloped steel columns (15m ×15m base spacing) erected over 4 no. RCC column 1m×1m & 1m ht. above ground. Superstructure – Derick structure up to height of 60 meter will be carried out in running plant Provision of approach to be made by RCF for testing/inspection. All other Pipe Racks / cable racks / all Equipment (static / Dynamic) foundations, shed etc. within the battery limit. As per the scope mentioned in Part-A (For 60% payment of total quoted amount) As per the scope mentioned in Part-B (For 30% payment of total quoted amount) Issue of stability certificate after completion of suggested repairs (For 10% payment of total quoted amount)

As per the scope mentioned in Part-C-For Shutdown jobs Shutdown Job: Ammonia Flare stack Line I- The remaining or balance job of top 35 meter of Ammonia flare stack requires inspection during shutdown period of plant with necessary approach provision by RCF for structural inspection/testing purpose.

TOTAL COST FOR AMMONIA STORAGE TANK AREA N – 2190 to N 2290 E – 225 To E – 428 Major structure: Storage cooling tower: 8m × 7m & 3m ht. RCC tank without slab supporting the wooden structure & fans, connected with sump of 2m wide. with RCC slab roof. Storage DG Shed: RCC framed structure with structural steel shed,10m×10m size room with RCC columns & top structural steel shed. Storage Control Room: Single storied RCC framed structure building.15m×10m size with 5 m ht.& top weather shed. Compressor Shed (2 NOS): Two compressor shed RCC column (3301 & 3302) with dimension 26m x 10m & 11m. ht. approx. with weather shed. Ammonia old storage tank (25000 MT Capacity) foundations & structural steel & Dyke wall. Ammonia new storage tank (5000 MT Capacity) foundations & structural steel & Dyke wall. Ammonia Loading Stations.-Structural steel shed with loading platforms. All other Pipe Racks / cable racks / all Equipment (static / Dynamic) foundations, shed etc. within the battery limit. As per the scope mentioned in Part-A (For 60% payment of total quoted amount) As per the scope mentioned in Part-B (For 30% payment of total quoted amount) Issue of stability certificate after completion of suggested repairs (For 10% payment of total quoted amount)

TOTAL COST FOR UREA UNIT -11 UNIT N – 1690 to N - 1837.5 (147.5m) E – 722.75 to E – 800.00 (77.25) Area = (148 × 78) = 11544m2 Major structure: Prilling tower with & stair case- Cylindrical RCC tower with 25 metre diameter with adjoining RCC staircase including lift duct, height of structure is 90 meter. MT I & II conveyor Gantry room. : Single storied RCC framed structure with dimension 14.5 m x 13 m. ht.7.5 m approx. MT 3 Gantry & take up tower: Structural steel frame structure with AC sheet roof cladding . Gantry length- 2 spans of @ 11 mtr. length & tower of size 6.0 m x 6.5 m and height of 15.4 meter. Compressor house shed: 45 m x 21 m with 18 m ht. structural steel shed with roof & cladding sheets & EOT. CO2 section with structural steel platform at 14.0 meter level and & top structural steel roof shed at 25 meter level height. Central pipe & cable rack over walkway (N-S) Carbamate solution tank foundation: RCC Circular foundation of outer diameter 5 meter diameter Instrument Air compressor shed: Structural steel shed. Dimension 28 m x 12 m & 7 m. ht. approx. All other Pipe Racks / cable racks / all Equipment (static / dynamic) foundations, shed etc. within the battery limit. As per the scope mentioned in Part-A (For 60% payment of total quoted amount) As per the scope mentioned in Part-B (For 30% payment of total quoted amount) Issue of stability certificate after completion of suggested repairs (For 10% payment of total quoted amount)

As per the scope mentioned in Part-C-For Shutdown jobs Shutdown Job: UREA UNIT -11 Prilling tower – Internal & external faces/sides of Circular of RCC tower with 25 metre internal diameter, interconnecting beams, Prilling bucket bottom RCC faces , louvers ,the total height of structure is 90 mtr. Inspection to be carried out during plant shutdown period. Visual inspection to be done with remote operated drone camera. (Obtaining necessary statutory permissions from concerned govt. agencies are in the scope of the consultant as per requirement)

TOTAL COST FOR UREA UNIT -21 N – 1690 to N - 1837.5 (147.5m) E – 722.75 to E –642.75 (80) Area = (148 × 78) = 11840 sqm Major structure: Prilling tower with & stair case- Cylindrical RCC tower with 25 metre diameter with adjoining RCC staircase including lift duct, height of structure is 90 meter. MT I & II conveyor Gantry room. : Single storied RCC framed structure with dimension 14.5 m x 13 m. ht.7.5 m approx. MT 3 Gantry & take up tower: Structural steel frame structure with AC sheet roof cladding . Gantry length- 2 spans of @ 11 mtr. length & tower of size 6.0 m x 6.5 m and height of 15.4 meter. Compressor house shed: 45 m x 21 m with 18 m ht. structural steel shed with roof & cladding sheets & EOT. CO2 section with structural steel platform at 14.0 meter level and & top structural steel roof shed at 25 meter level height. Central pipe & cable rack over walkway (N-S) Single storied RCC structure of MCC room. (23M.x14M. x 6 M. HT.) Carbamate solution tank foundation: RCC Circular foundation of outer diameter 5 meter diameter Instrument Air compressor shed: Structural steel shed. Dimension 28 m x 12 m & 7 m. ht. approx. Single storied RCC framed structure MCC Building. All other Pipe Racks / cable racks / all Equipment (static / dynamic) foundations, shed etc. within the battery limit. As per the scope mentioned in Part-A (For 60% payment of total quoted amount) As per the scope mentioned in Part-B (For 30% payment of total quoted amount) Issue of stability certificate after completion of suggested repairs (For 10% payment of total quoted amount)

As per the scope mentioned in Part-C-For Shutdown jobs Shutdown Job: UREA UNIT -21 Prilling tower – Internal & external faces/sides of Circular of RCC tower with 25 metre internal diameter, interconnecting beams, Prilling bucket bottom RCC faces , louvers ,the total height of structure is 90 mtr. Inspection to be carried out during plant shutdown period. Visual inspection to be done with remote operated drone camera. (Obtaining necessary statutory permissions from concerned govt. agencies are in the scope of the consultant as per requirement)

TOTAL COST FOR UREA UNIT -31 N – 1690 to N - 1837.5 (147.5m) E – 562.75 to E – 642.75 (80) Area = (148 × 80) = 11840 sqm Major structure: Prilling tower with & stair case- Cylindrical RCC tower with 25 metre diameter with adjoining RCC staircase including lift duct, height of structure is 90 meter. MT I & II conveyor Gantry room. : Single storied RCC framed structure with dimension 14.5 m x 13 m. ht.7.5 m approx. MT 3 Gantry & take up tower: Structural steel frame structure with AC sheet roof cladding . Gantry length- 2 spans of @ 11 mtr. length & tower of size 6.0 m x 6.5 m and height of 15.4 meter. Compressor house shed: 45 m x 21 m with 18 m ht. structural steel shed with roof & cladding sheets & EOT. CO2 section with structural steel platform at 14.0 meter level and & top structural steel roof shed at 25 meter level height. Central pipe & cable rack over walkway (N-S) Single storied RCC structure of MCC room.(20M.x14M. x 6 M. HT) Carbamate solution tank foundation: RCC Circular foundation of outer diameter 5 meter diameter Instrument Air compressor shed: Structural steel shed. Dimension 28 m x 12 m & 7 m. ht. approx. Single storied RCC framed structure MCC Building. All other Pipe Racks / cable racks / all Equipment (static / dynamic) foundations, shed etc. within the battery limit As per the scope mentioned in Part-A (For 60% payment of total quoted amount) As per the scope mentioned in Part-B (For 30% payment of total quoted amount) Issue of stability certificate after completion of suggested repairs (For 10% payment of total quoted amount)

As per the scope mentioned in Part-C-For Shutdown jobs Shutdown Job: UREA UNIT -31 Prilling tower – Internal & external faces/sides of Circular of RCC tower with 25 metre internal diameter, interconnecting beams, Prilling bucket bottom RCC faces , louvers ,the total height of structure is 90 mtr. Inspection to be carried out during plant shutdown period. Visual inspection to be done with remote operated drone camera. (Obtaining necessary statutory permissions from concerned govt. agencies are in the scope of the consultant as per requirement)

TOTAL COST FOR UREA COOLING TOWER AREA N – 1690 to N - 1837.5 (147.5m) E – 480 to E – 562.75 (82.75) Area = (148 × 83) = 12284 sqm. Major Structure: CT I & CT II: 99 m × 16m & 6m ht. RCC tank without slab supporting the wooden structure & fans, connected with sump of 90 m × 6 m × 6m ht. with RCC slab roof. CT pump shed: RCC framed structure with dimension 48m x 22 m with weather shed. All other Pipe Racks / cable racks / all Equipment (static / dynamic) foundations, shed etc. within the battery limit. As per the scope mentioned in Part-A As per the scope mentioned in Part-A (For 60% payment of total quoted amount) As per the scope mentioned in Part-B (For 30% payment of total quoted amount) Issue of stability certificate after completion of suggested repairs (For 10% payment of total quoted amount)

TOTAL COST FOR AMMONIA UREA TECHNICAL BUILDING AREA (G+1) RCC structure Building with weather shed with dimension 62m x 25m with height of 8 metre approx. As per the scope mentioned in Part-A

TOTAL COST FOR AMMONIA UREA CONTROL ROOM BUILDING AREA Single storied RCC structure Building with weather shed with dimension 60m × 26m with 6m ht. & 2.5 m wide passage. As per the scope mentioned in Part-A

TOTAL COST FOR AMMONIA UREA SUB-STATION AREA (G+2) RCC structure Building with dimension 92m × 18 m with height 14 m approx. As per the scope mentioned in Part-A

TOTAL COST FOR AMMONIA UREA NEW SUB-STATION AREA (G+1)RCC framed structure Building with dimension 12m x 24m with height 9 m. As per the scope mentioned in Part-A

CENTRAL STORES AND SCRAP YARD GODOWNS & OFFICES WITH IN THE BOUNDARY AREA. MAJOR STRUCTURES ARE AS UNDER, HOWEVER SCOPE OF WORK INCLUDES ALL OTHER STRUCTURES ATTACHED TO ALL THESE STORES/SCRAP YARD WITHIN THE BOUNDARY AREA OF STORES & SCRAP YARD. Mechanical stores: Dimension 100 m x 17 m & 10 m. ht. approx. with weather shed . HWP stores: Dimension 100 m x 17 m & 10 m. ht. approx. with weather shed. Chemical stores : Dimension 100 m x 17 m & 10 m. ht. approx. with weather shed. Electrical/Instrumentation stores: Dimension 100 m x 17 m & 10 m. ht. approx. with weather shed. General stores: Dimension 100 m x 17 m & 10 m. ht. approx. with weather shed. As per the scope mentioned in Part-A

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