PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
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CLIENT
:
PT. KATEXINDO CITRA MANDIRI
JOB DESCRIPTION
:
ENGINEERING SURVEY & CHECKING ROOF STRUCTURE
PROJECT NAME
:
KATEXINDO ENGINEERING SURVEY
LOCATION
:
Kawasan Berikat Nusantara (KBN), Jalan Jawa Blok D no. 29
01 REV
09/08/12 DATE
CHECK EXISTING PURLIN DESCRIPTION
AM PREPD
BS CHKD APPD
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOFTable of Contents
Page Number 2 of 20
1.
INTRODUCTION 1.1. Purpose and Direction 1.2. Works Metode
2.
Survey 2.1. General Information 2.2. Survey Data 2.3. Summary of Survey
Report
3.
CALCULATION REPORT of ROOF STRUCTURE 3.1. Resume Existing Roof 3.2. Recomendation
APPENDIX Documentation
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
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1.
INTRODUCTION
1.1. Purpose and Direction As per requset from PT. Katexindo Citra Mandiri by an e-mail datel July 27th 2012, to do existing roof survey and checking the strength of the roof structure for PT. Katexiondo fabric, be located at Kawasan Berikat Nusantara, blok D no.29. The direction of this job to find out the maximum load can be support with the existing roof structure, and the limit of additional load can be added. 1.2 Work Methode In order to make the purpose and direction will be sucess, we do an angeneering survey at site, for collecting actual data and find out the conditon of the building. The survey methode with measuringthe steel members dimension and compare with the drawing as we received before. Make a skceth, estimate the loading data as per exisitng equipment. And make the documentation for calculation reference. To make engineering calculation we use computer program, that is ETABS and Micrisoft Excel for spread sheet. 2. GENERAL INFORMATION : Pabrik Tekstil : Kawasan Berikat Nusantara, blok D no.29, Cakung Jakarta : Zone 3 (SNI 03-1726-2002) : Soft soil (SNI 03-1726-2002) : 15@6m = 90 m : 6m : 18@5,5m + 5m= 104m : 11,8 m : 16 : N/A : N/A : BJ-37 and BJ-41 (correspond to ASTM A36) : 1 unit : 94 kolom : Report Sheet of Katexindo r.01.doc : Perencanaan gording_r1.xls
Building Function Location Seismic zone Soil type Total Length of Building Spacing Bay width Heigth (Max) Roof slope Foundation type Re-bar grade Structural steel grade Number of Building Number of Column Word file Excel file
Cylinder concrete grade, fc : N/A
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
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KATEXINDO FABRIC ROOF
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Fabric Layout :
Fabric Layout
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
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KATEXINDO FABRIC ROOF
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2.2 SURVEY DATA Site Location
-
Dimension and column spacing is similar with the drawing from client; Total Length Spacing Bay width Height (Max) : 15@6m = 90 m : 6m : 18@5,5m + 5m= 104m : 11,8 m : Profil H 346 x 174 x 6 x 9 : Profil H 346 x 174 x 6 x 9 : Lip Channel 125 x 50 x 20 x 2,3 : 1500mm : Diameter 10 mm per jarak 3 m : Profil WF 150 x 75 x 5 x 7
-
Column Dimension Rafter Dimension Purlin Dimension Purlin spacing Trekstang Lintel Beam
Indicate of stiffener plate each distance 4 m of rafter.
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
Page Number 6 of 20
3.
CALCULATION REPORT of ROOF STRUCTURE 3.1 Resume of EXISTING ROOF
ETABS Out Put
Steel Strees Check Rafter
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
Page Number 7 of 20
Display Roof Load , unit kN-m
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
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Resume : The existing roof construction is strong enough to support roof material. The loading assumed
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
Page Number 9 of 20
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
Page Number 10 of 20
3.2 RECOMENDATION :If the existing purlin to be added maximum 5 kg/m2 (for roof material), so:
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
Page Number 11 of 20
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
Page Number 12 of 20
Whereas recomendation the additional load maximum until 15kg/m2 , for roof material, the purlin material shall be changed to be use C 125.50.20.3,2, with the calcualtion as below:
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
Page Number 13 of 20
Output Program ETABS
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
Page Number 14 of 20
Steel Strees Check Rafter
Display roof load , unit kN-m
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
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APPENDIX
Existing Roof Indoor Elevation
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
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Rev. 01
KATEXINDO FABRIC ROOF
Page Number 16 of 20
Measuring the Purlin Spacing
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
Page Number 17 of 20
Measuring the Rafter Dimension
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
Page Number 18 of 20
Measuring the Rafter Dimension
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
Page Number 19 of 20
Measuring Purlin Dimension
PT. KATEXINDOCITRA MANDIRIDocument No.RPT-KF-0812-01
EXISTING ROOF SURVEY AND CHECKING STRENGTH REPORT
RZAR consultansdesain.survey.drawings
Rev. 01
KATEXINDO FABRIC ROOF
Page Number 20 of 20
RESUME :
-
The Existing Roof Structure is strong enough to support the loading of roof cover and hanging material, but susceptible to be over strength and over bending if added load until maximum 5 kg/m2 for roof cover material.
-
Especially for the purlin that use Channel 125 x 50 x 20 x 2,3; regarding the technical calculation indicate susceptible to be over strength and over bending if added load until maximum 5 kg/m2 for roof cover material.
-
Recomendation for purlin if will be added with roof cover material load until 15kg/m2 shall be used Lip Channel 125 x 50 x 20 x 3,2. When the loading of roof structure to be added 5 kg/m2 until 15 kg/m2, the column indicate slenderness, that can be solve with added stiffener plate each 2m betwen web and flange, use plate 6mm thickness.