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Cilacap Resid Fluid Catalytic Cracking (R (RFC FCC) C) Proj Proj ect
RFCC-C-CV-SP-003 Rev. No. :
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PT.. PERTAMINA (Persero ) PT
ENGINEERING SPECIFICATION FOR REINFOCED CONCRETE STUCTURE
PROJECT
:
CILACAP RESID FLUID CATALYTIC CRACKING (RFCC) PROJECT
LOCATION
:
PERTAMINA PERT AMINA RU-IV RU-IV,, CILAC CIL ACAP AP,, CENTRAL JAV JAVA, A, INDONESIA
OWNER
:
PT. PERTAMINA (PERSERO)
CONTRACT NO.
:
15/C00000/2011-S2
1
For Record
12 Apr 2012
D.Y.LEE D.Y .LEE
I.Y.KIM I.Y .KIM
AF/CSP
0
Issued for Approval
26 Dec 2011
I.Y.KIM I.Y .KIM
ASF/CSP ASF/ CSP
SI/I.K.Lee SI/I.K. Lee
Rev.
Description
Date
Prepared by
Reviewed by
Approved by
CONSORTIUM ADHI – GS E&C
Cilacap Resid Flui d Catalyti c Cracking (RFCC) Project PT. PERTAMINA (Persero)
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CONCRETE STUCTURE
REVISION HISTORICAL SHEET Rev.
Page / Paragraph
Item
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5 of 12 / 2.1
General
Added (as per owner`s comment)
1
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APPENDIX
Added (as per owner`s comment)
Descri pt ion of Change
CONSORTIUM ADHI – GS E&C
Cilacap Resid Flui d Catalyti c Cracking (RFCC) Project PT. PERTAMINA (Persero)
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CONCRETE STUCTURE
TABLE OF CONTENT PAGE 1 . GENERAL .................................................................................................................................................. 4
1.1 Scope ............................................................................................................................................ 4 1.2 Specific Design Conditions .......................................................................................................... 4 1.3 Codes and Standards .................................................................................................................... 4 1.4 Related Engineering Specifications ............................................................................................... 4 1.5 Priority of Requirements ............................................................................................................... 4 1.6 Unit and Language ........................................................................................................................ 5 2 . MATERIALS .............................................................................................................................................. 5
2.1 General ......................................................................................................................................... 5 2.2 Special Requirements .................................................................................................................... 6 3 . BASIS OF DESIGN ................................................................................................................................... 6
3.1 Geotechnical Design Condition ..................................................................................................... 6 3.2 Design Loads ................................................................................................................................ 6 3.3 Planning ....................................................................................................................................... 6 3.4 Stability of Foundations ................................................................................................................ 7 4 . DESIGN DETAILS ..................................................................................................................................... 7
4.1 Anchor Bolts ................................................................................................................................. 7 4.2 Embedded Materials...................................................................................................................... 7 4.3 Stairs, Ladders And Handrails ....................................................................................................... 8 4.4 Concrete Slab For Equipment Structure ......................................................................................... 8 4.5 Chamfer ........................................................................................................................................ 8 4.6 Concrete Cover ............................................................................................................................. 8 5 . QUALITY AND INSPECTION ................................................................................................................... 9
5.1 Quality .......................................................................................................................................... 9 5.2 Inspection ..................................................................................................................................... 9 6 . APPENDIX ................................................................................................................................................. 10
CONSORTIUM ADHI – GS E&C
Cilacap Resid Flui d Catalyti c Cracking (RFCC) Project PT. PERTAMINA (Persero)
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CONCRETE STUCTURE
1. GENERAL 1.1.
Scope
This specification covers the requirements for the design of reinforced concrete (hereinafter referred to as RC) structures for Cilacap Refinery RFCC Project such as pipe racks, equipment support structures and RC framing of buildings for process plants. Exclusions from the scope of this specifica tion are the design requirements for marine structures, silos and chimneys.
1.2.
Specific Design Conditions
Design conditions for this project including site conditions, basis of elevat ion, materials and other matters depending on the local conditions, local regulations and pro ject requirements are indicated in Section 1.2 of RFCC-C-CV-SP-001 “Engineering Specification for DESIGN LOAD”
1.3.
Codes and Standards
The applicable codes and standards are indicated in Section 1.3 of RFCC-C-CV-SP-001 “Engineering Specification for DESIGN LOAD”.
1.4.
Related Engineering Specification
RFCC-C-CV-SP-001 Engineering Specification for DESIGN LOAD RFCC-C-CV-SP-002 Engineering Specification for ST EE L S T RUCT URE RFCC-C-CV-SP-004 Engineering Specification for CONCRETE FOUNDATION
1.5.
Priority of Requirements
In case o f any discrepancy among the codes/standards, SPECIFIC DESIGN CONDITION, related Engineering Specifications, and this specifi cation, order of priority shall be as below: (1) (2) (3) (4)
SPECIFIC DESIGN CONDITION this specification related Engineering Specifications codes and standards specified
CONSORTIUM ADHI – GS E&C
Cilacap Resid Flui d Catalyti c Cracking (RFCC) Project PT. PERTAMINA (Persero)
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CONCRETE STUCTURE
1.6.
Unit and Language
Unless otherwise specified, Metric measurement Unit and English Language shall be applied for all the drawings and documents to be provided. However, nominal sizes of piping components shall be in accordance with inch system (NPS).
2. MATERIALS 2.1.
General
Materials to be used shall have sufficient quality to meet functional and str uctural requirements to the constructions. Material requirements, which are not specified in this specification or specific design conditions, shall conform to manufacturer's standards. In general, the following standards shall be used: Cement : Portland Cement Type I as per ASTM C150 or equivalent and plus fly ash. Aggregate size : 20mm (Min.) ASTM C33 or equivalent Reinforcement : ASTM A615M Grade 60, JIS G3122 SD390,or equivalent Welded Wire Fabric : ASTM A185, JIS standards, or equivalent Concrete for Structure : 240 kg/cm2 design compressive strength at 28 days (for foundation, beam, wall, column, and other above grade structural member) Pre-Cast Concrete : 240 kg/cm2 design compressive strength at 28 days (for light weight foundation, column, beam, joist, etc.) Concrete Slab on Grade : 240 kg/cm2 design compressive strength at 28 days (for building floor and concrete paving) Fireproofing : 210 kg/cm2 design compressive strength at 28 days for pneumatically applied concrete conforming to ACI 506 with maximum water-cement ratio of 0.50 in place, or vermiculite based component, or equivalent, a nd; 175 kg/cm2 design compressive strength at 28 days for formed concrete. Lean Concrete : 150 kg/cm2 design compressive strength at 28 days
CONSORTIUM ADHI – GS E&C
Cilacap Resid Flui d Catalyti c Cracking (RFCC) Project PT. PERTAMINA (Persero)
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CONCRETE STUCTURE Water : Potable water as per ACI 318M Section 3.4
2.2.
Special Requirements
Requirements for coating and/or lining material for concret e surfaces shall be given in the SPECIFIC DESIGN CONDITION or Engineering Drawings.
3. BASIS OF DESIGN 3.1.
Geotechnical Design Conditions
A factual soil investigation report separate to this document will be provided after t he soil investigation work currently being conducted at site. Geotechnical design conditions such as subsurface conditions, soil bearing pressure, pile bearing capacity, and other soil parameters shall be interpreted by EPC Contractor.
3.2.
Design Loads
Design lo ads and loading combinat ions shal l be in a ccordance with RFCC-C-CVSP-001 “Engineering Specification for DESIGN LOAD”
3.3. 3.3.1.
Planning Basis of Planning for RC Structure
Planning of RC structure shall be made, taking the following requirements into consideration: (1) Structural requirements, (2) Safety requirements, (3) Economical consideration, (4) Requirements from equipment/piping layout, (5) Requirements from operation/maintenance, and (6) Construction requirements, such as cast-in-situ or pre-cast concrete.
CONSORTIUM ADHI – GS E&C
Cilacap Resid Flui d Catalyti c Cracking (RFCC) Project PT. PERTAMINA (Persero)
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CONCRETE STUCTURE 3.3.2.
Structural Planning
Structural planning, such as proper arr angement of columns, girders, beams a nd determination of proper span/height, are the major and important steps in the whole design activity, and shall be made so that structural safety can be assured. Following requirements shall be taken into consideration: (1) Framing shall be arranged so that the stiffness of the structure can be well balanced and structural stability can be secured, (2) In case that heavy and/or ta ll equipment is inst alled on RC structure, a proper arrangement of beams and floors shall be planned so that firm anchoring and structural stability can be assured, and (3) Expansion joints shall be provided for the superstructure of large scale more than 50m in width and/or length, depending on structure type/shape and design conditions.
3.4.
Stability of Foundations
Stability of foundations, such as soil bearing pressure, sliding and overt urning for foundations, shall be calculated using equations specified RFCC-C-CV-SP-004“Engineering Specification for CONCRETE FOUNDATION”
4. DESIGN DETAILS 4.1.
Anchor Bolts
Where anchor bolts for equipment longer than depth of supporting elements of RC structure are required, set bolts of sleeve type may be applied. The sleeve pipe shall have the inner diameter o f 30mm larger than the outer diameter of t he set bolt. The gap between the sleeve pipe and bolt is not filled with grout, unless otherwise required by manufacturer.
4.2.
Embedded Materials
(1) Embedded materials such as insert plates and corner angles where required shall be provided so that expansion anchors (Hole-in anchors) could be minimized. (2) Embedded material surface other than contacting or embedded into the concrete, shall be painted at least 2 coat s with the surface preparat ion by hand tool cleaning.
CONSORTIUM ADHI – GS E&C
Cilacap Resid Flui d Catalyti c Cracking (RFCC) Project PT. PERTAMINA (Persero)
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CONCRETE STUCTURE
4.3.
Stairs, Ladders and Handrails
(1) Stairs, ladders and handrails provided for RC str ucture shall be made of steel, in general: The specification for stairs, ladders and handrails shall be in accordance with RFCCC-CV-SP-002“Engineering Specification for STEEL STRUCTURE”. (2) In case the concrete stairs are applied, the shape of stairs, such as the tread width and the step height, shall be in accordance with RFCC-C-CV-SP-002 “Engineering Specification for STEEL STRUCTURE”. (3) In case handrails are required, the fixing method shall be referred to Appendix (1) of this specification.
4.4.
Concrete Slab for Equipment Structure
(1) Concrete slab shall be finished with metal trowel. (2) Concrete slab areas more than 100 square meters shall be sloped at least 1 in 200. (3) Installation level of equipment on the slab shall be minimum 150 mm higher than the floor level or the highest point of concrete slab, unless otherwise specified. (4) Typical reinforcement for concrete slab around openings is presented in Appendix (2) of this specification. (5) Concrete slab areas handling aggressive chemicals shall be coated or lined as required.
4.5.
Chamfer
Chamfer with 15 mm radius or flat bevel shall be provided for external corners of exposed concrete beams, girders and columns as shown in Appendix (3) of this specificat ion.
4.6.
Concrete Cover
Minimum concrete cover for reinforcement shall conform to ACI 318M Section 7.7
CONSORTIUM ADHI – GS E&C
Cilacap Resid Flui d Catalyti c Cracking (RFCC) Project PT. PERTAMINA (Persero)
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5. QUALITY AND INSPECTION 5.1. 5.1.1.
Quality Mix Proportion
Selecting the mix proportions of concrete shall be i n accordance with ACI 211.1 "Standard Practice for Selecting Proportions for Normal, Heavyweight and Mass Concrete" and ACI 211.2 "Standard Practice for Selecting Proportions for Lightweight Concrete". Mix proportion shall be determined to satisfy the required design strength and subject for Owner's approval. 5.1.2.
Design Compressive Strength
Testing of concrete compressive strength shall be perfor med in accordance with ASTM C31 "Standard Practice for Making and Curing Concrete Test Specimens in the Field" and ASTM C39 "Standard Test Method for Compressive Strength of Cylindrical Concrete Specimens".
5.2.
Inspection
In general, inspection of concrete shall be in accordance with ACI 311.4R "Guide for Concrete Inspection". 5.2.1.
Sampling
Concrete sampling shall be carried out in accordance with ASTM C172 "Standard Practice for Sampling Freshly Mixed Concrete". 5.2.2.
Tolerance
Allowable deviation shall conform to ACI 117 "Specifications for Tolerances for Concrete Construction and Materials".
CONSORTIUM ADHI – GS E&C
Cilacap Resid Flui d Catalyti c Cracking (RFCC) Project PT. PERTAMINA (Persero)
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6. APPENDIX (1) Fixing of Handrail ADJUST HANDRAIL POST LOCATION
CONSORTIUM ADHI – GS E&C
Cilacap Resid Flui d Catalyti c Cracking (RFCC) Project PT. PERTAMINA (Persero)
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CONCRETE STUCTURE (2) Reinforcement of Concrete Slab Opening
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Cilacap Resid Flui d Catalyti c Cracking (RFCC) Project PT. PERTAMINA (Persero)
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CONCRETE STUCTURE (3) Chamfer
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