027-ITP for Pre- Cast Concrete.pdf

T-4.234.578 Rev. B Page 2 of 8

Pearl GTL Project

LINDE ENGINEERING

Shell Project No: HP-3000-QAT Contractor Project No: 5887 Project Document Number: T- 4.234.578 Project Rev.: B Page 2 of 8

Purchase Order Number:

2MH127

Tag/Item Number(s): N/A

Unit(s): ASU

PCWBS: Z

T-4.234.578 Rev. B Page 3 of 8

QATAR SHELL GTL PROJECT (PEARL) C2 AIR SEPARATION UNITS CONSTRUCTION

E B 25.06.08 Ready for Construction FB EO AG RFC

D A 14.05.08 Company Comment Incorporated FB AB AG CCI

C O 02.02.08 Issued for company comments IU UA/MC ZG ICC

B 31.01.08 Issued for review BR UA/MC ZG IFR

A 27.01.08 Issued for internal review SB UA/MC ZG IIR

GAMA Rev.

Project Rev

Date Description Prepared

By Checked

By

Approved By

Status

No. No. ORIGINATOR

LINDE ENGINEERING AG

Document Title:

ITP FOR PRE-CAST CONCRETE WORKS

Contractor

Gama Qatar Co. W. L. L.

Document No. LOC 470

GAM ITP QAC GTL 027 E Org.

Code

Doc.

Type

Disc. Code

Geogr. Area

Seq.

No

Rev. No

Vendor Code

Project Document Number: T-4.234.578

Rev No: B

T-4.234.578 Rev. B Page 4 of 8

Doc. Title : Inspection Test Plan for Pre-Cast Concrete Works

Doc No : GAM-ITP-QAC-GTL-027 Rev. E

Date: 25.06.08

1.0

Before pre-casting, bottom surface preparation

a) Level

Visual Inspection

Site

Engineer

Visual Inspection

Visual

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b) Cleanliness

2.0

a) Re bar Work

a. Material ASTM A615 Gr 60 & BS 4449 ;T.13.377.360E

QA/QC INSPECTOR& Site Engineer

As per specification Test Certificate R R R

b. Check bar size , lap, spacing &Location

As per Drawing

As per drawings and Table 1b of ASTM A615/BS 8110-1

GAM-QCR-QAC-GTL-014

I W S

c. Number of bars As per drawing

As per drawings I W S

d. Length of bars As per drawing

As per drawings and ACI 315 I W S

e. Hook As per drawing & DEP 34.19.20.31

As per ACI 315 I W S

f. Bending As per drawing & DEP 34.19.20.31

As per ACI 315 I W S

g. Reinforcement surface ASTE A615 &DEP 34.19.20.31 ;T.13.377.360E

Free from mortar, rust, oil or other coatings

Visual I W S

h. Placing, spacers, cover, Splices

As per drawing & DEP 34.19.20.31; T.13.377.360E

As per drawings and ACI 315

GAM-QCR-QAC-GTL-014 I W S

b) Preservation of rebar

Storage & Cover with plastic DEP 34.19.20.31 Site Engineer Visual Inspection Visual I S S

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Date: 25.06.08

T-4.234.578 Rev. B Page 5 of 8

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3.0

Form Work

a. Cleanliness

STANDARD DRAWINGS ACI 117, 301, AND 347 ;T.13.377.360E

QC & Site Engineer

Free from Oil & Grease Visual

I W S

b. Location, and elevation As Per Drawing & 50 mm concrete cover shall be maintained

GAM-QCR-QAC-GTL-006

c. Frames, and Supports Firm to be 50mm Concrete level is Maintained GAM-QCR-QAC-GTL-

010/012/013/014 d. Chamfer As Per Drawing

e. Form oil Wax spray Visual

f. Dimension checked As Per Drawing GAM-QCR-QAC-GTL-014

g. Tie wire check No tie wire within the 50mm concrete cover area

Visual

4.0 Anchor Bolts and Embedded items (If Applicable)

a) Size, type, number, location, Elevation being firmly supported protected from damage before concreting.

b) Location, elevation, Protected from Damage After Concreting.

As per drawings ;T.13.377.360E

Site Engineer & QA/QC INSPECTOR

To comply with the relevant drawing sin Size type number Location elevation Tolerances etc.

GAM-QCR-QAC-GTL-011 I W S

c) Material As per Drawing and or Specification

As per LS 443-01 Test Certificate R R R

5.0 Cleaning of form work and rebar

Form works & rebar to be blown clean with air , bottom surface to cleaned with magnet, rebar to be water washed

T-13.376.358 DEP-34.19.20.31

Site Engineer Accept without foreign Material

VISUAL I W S



Date: 25.06.08

T-4.234.578 Rev. B Page 6 of 8

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6.0

PRECAST Concreting

a) Pre pour arrangements and concrete pour card signed

T-13.376.358 DEP-34.19.20.31 ;T.13.377.360E BS 8110 (T.4.132.872)

Site Engineer & QA/QC INSPECTOR

Pour Card should be Signed by QCI &Contractor

GAM-QCR-QAC-GTL -009/010/012/014

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b) Concrete discharging

T-13.376.358 DEP-34.19.20.31 ;T.13.377.360E

Should not be more Than 1.5 meters Height

VISUAL

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c) Concrete compaction T-13.376.358 DEP-34.19.20.31 ;T.13.377.360E

By Vibrators

VISUAL

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d) Concrete Finish T-13.376.358 DEP-34.19.20.31 ;T.13.377.360E

Not to exceed the Required limits as per specification.

VISUAL I

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7.0 Curing

Curing Data Sheet contains 1) Date of pour 2) End of Curing 3) Acknowledgment of water

placement daily

T-13.376.358 DEP-34.19.20.31; T.13.377.360E

Site Engineer 10DaysCuring Period for all Concrete

GAM-QCR-QAC-GTL-015 W S S

8.0 Post Pour Inspection

1) External Dimensions

T-13.376.358 DEP-34.19.20.31 ;T.13.377.360E

Site Engineer As Per Drawing

GAM-QCR-QAC-GTL-015 I I I

2) Bolt positions

9.0 Repair of Concrete

a. Identification of repair

T-13.376.358 DEP-34.19.20.31 ;T.13.377.360E

QA/QC Inspector & Site Engineer

Visual inspection

GAM-QCR-QAC-GTL-010

I H W

b. Authorization to repair Visual inspection

I H W

c. Proper repair As per approved Repair procedure

I S S

d. Surface preparation & Release

Visual inspection

I H S

e.Painting & Coating As per Manufacturers recommendation

GAM-QCR-QAC-GTL-031

I W S



Date: 25.06.08

T-4.234.578 Rev. B Page 7 of 8

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10.0 Lean Concrete

a. Ground condition T-13.376.490

QA/QC & Site Engineer

Compliance with Compaction &level Requirements

Visual I R S

b. Location and Level Drawings As per latest drawings GAM-QCR-QAC-GTL-006 I R S

c. Surface inspection T-13.376.358 DEP-34.19.20.31& T.13.377.360E

No Cracks (or) Voids Visual I S S

d. Cleaning of foundation

Refer to item # 6.0 ;T.13.377.360E

No loose Particle & Refer to item # 6.0

Visual I H S

e. Pouring lean Concrete Refer to item # 7.b Refer to item # 7.b GAM-QCR-QAC-GTL-013 I S S

f. Thickness T-13.376.358 DEP-34.19.20.31

50 mm Minimum GAM-QCR-QAC-GTL-013 I I I

g. Curing Refer to item # 8.0 Refer to item # 8.0 Visual I S S

h. Coating

Manufacturer Data Sheet

Prime Coat-0.075-0.1 Kg/m2, Neat Coat 0.6 kg/m2, Dilute 1:1 with clean water

GAM-QCR-QAC-GTL-031

I S S

11.0

Installation

Level

As Per RFC Drawing

QCI

As Per RFC Drawing

RFC Drawing I R S

Plumb

Site Engineer

Visual I R S

Orientation RFC Drawing I R S

Anchor Bolts GAM-QCR-QAC-GTL-011 I W S

Location RFC Drawing I W S

Transportation for installation As Per RFC Drawing & DEP-34.19.20.31

After Completion of Curing Period with GAM-QCR-QAC-GTL-015

I S S



Date: 25.06.08

T-4.234.578 Rev. B Page 8 of 8

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12.0

Testing a) Fresh concrete

Temperature T-13.376.358 DEP-34.19.20.31

Laboratory

Every truck of concrete shall be tested & check for Temperature of Fresh Concrete 30c

GAM-QCR-QAC-GTL-017

I S S I

Slump Test Frequency 1 Test for 1 mix

T-13.376.358 DEP-34.19.20.31

Laboratory/ Supplier

BS EN 12350-2- Testing Fresh Concrete to every truck of concrete

Lab Report GAM-QCR-QAC-GTL-017

I S/R S/R I

b) Hardened concrete

Compressive strength @7 & 28 days (cube sample as per BS 1881) Testing Frequency as per T-13.376.358 Section 3.33

T-13.376.358 DEP-34.19.20.31

Laboratory

BS EN 12390-3 Testing of Hardened concrete-strength of test specimens

Laboratory Report/Supplier GAM-QCR-QAC-GTL-020

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Chloride content Maximum 0.10% by Weight of cement


R R R

Sulphate content Maximum 4% by Weight of cement


R R R

Water Absorption Maximum 4% at 28 And 48 days

Laboratory Report/Supplier

R R R

Volume of permeable voids Maximum 4% at 28 And 48 days


R R R

Chloride Ion Permeability Very Low as per ASTM C1202


R R R

Documents

027-ITP for Pre- Cast Concrete.pdf