7/27/2019 IR Diaphram Wall
1/2
INSPECTION REQUEST FORM FOR DIAPHRAGM WALL NO:
Unless otherwise approved,this inspection request form shall be submitted
during the daily morning meeting among LTA,Contractor and QP(S)
Contractor: Project:
To: Date:
LTA Time:
The work described below has been inspected by our supervisory personnel and is complete
and ready for your inspection. A checklist is attached overleaf.
Location
Checked and Requested By:
Chainage
Activity
Drawings Used for Construction
Other DescriptionContractor's PM Name & Signature
INITIAL INSPECTION DECISION BY QP(S)
We have inspected the above referenced works and found them acceptable. You may proceed.
However, please return the completed checklist upon completion of the remaining work.
You cannot proceed. Please carry out corrective works as noted on the checklist and
submit a fresh request for inspection.
Other comments:
RTO/RE Name & Signature/ Date
FINAL INSPECTION DECISION BY QP(S)
LTA
LTA's representative/date/time
_______________________________________
QP(S) Name&Signature/Date
work approved to start:_____________________ work completed on:_________________________
The above process for request for inspection of work by Contractor and approval by QP(S) is noted.
___________________________________
SAMWOH CORPORATION PTE LTD SK E&C
ER296-CONSTRUCTION AND COMPLECTION OF SENTOSA
GATEWAY TUNNEL FROM TELOK BLANGAH ROAD TO KEPPEL
ROAD / KAMPONG BAHRU ROAD/ LOWER DELTA ROAD AND
ASSOCIATED ROAD WIDENING WORKS INTERCHANGE
The meeting noted that the information provided by the Contractor is adequate/not adequate*.
QP(S) may proceed Request Rejected*delete where appropriate
7/27/2019 IR Diaphram Wall
2/2
CHECKLIST FOR DIAPHRAGM WALL
Chainage:
S/No Description of Works Checked by Confirmed by
Contractor QP(S)
1 Check setting out
2 Check services plan
3 Locate services with cable detector and digging trial trench
4 Check soil sample at trench base and confirm by contractor's
Professional Engineer
5 Check certificate of fitness of excavating crane & service crane
6 Check certificate of crane operator
7 Check excavating crane and service crane located on firm bases
8 Check cover blocks/spacers
9 Check steel cage reinforcement
10 Ensure cleanliness of excavated trench
11 Provision of tremie pipe
12 Quantity of ready-mix concrete : m3
------------------
13 Check concrete grade Grade :
------------------
14 Take slump test Desired slump mm
------------------
15 Take cube samplesNo of sets: Reference:
16 Check verticality of panel
17 Check calculated depth of penetration
18 Check CWS joint/Water stop
19 Check cut-off level of panel
20 Check provision of couplers
21 Check recess to form box-outs between the steel cages and the
near face of the diaphragm wall
22 Check sufficient temporary traffic devices if lane
closure is required
23 Others
No:
Date/Time: Location:
Top Related