INSPECTION CHECKLIST FOR COLUMN CONCRETING -lceted LCETED INSTITUTE FOR CIVIL ENGINEERS

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Mar 29, 2020

INSPECTION CHECKLIST FOR COLUMN CONCRETING


INSPECTION CHECKLIST FOR COLUMN CONCRETING


FORM/FORMAT
Checklist no.
Title: Checklist For Column Concreting.
Rev. , dated

Building                           Location                      Date.

Grade of concrete=                                      
M Grade of steel =

Activity - Column Starter.

Acceptance Criteria - Shall be free of honeycombing, the edge is not broken & laitance removed with the coarse aggregate top exposed compulsorily.

Observation –

Activity - Provision of Rebar (dia. &qty.), + dowels if any

Acceptance Criteria - As per Column schedule As per RCC Drg. No_______, Rev. No.:________

Observation –

Activity - Position of Rebar. (Lapping, the spacing of stirrups with 45-degree legs & master ring).

Acceptance Criteria - As per General drawing. As per RCC Drg.
No.:_______, Rev. No.:________

Observation –

Activity - Clear Cover of Rebar.

Acceptance Criteria - Shall be provided of 55mm & 40mm, for below ground & above ground respectively,with a + 5 mm tolerance.

Observation –

Activity - Position of topmost stirrup of the column.

Acceptance Criteria - Shall be placed at 40mm below concreting top.

Observation –

Activity - Position of guide/master stirrup above concreting level.

Acceptance Criteria - Shall be provided at Min. 600mm & Max. 1000mm. from the concrete top.

Observation –

Activity - Space of needle vibrator, insertion, for concreting works.

Acceptance Criteria - Shall be Min. 70mm gap to suit 60mm needle vibrator & Min 50mm gap to suit 40mm needle vibrator

Observation –

Activity - Binding wire knots & tail

Acceptance Criteria - Shall not be in Clear cover zone.

Observation –

Activity - Shuttering works

Acceptance Criteria - Soldiers shall be provided after every panel for column length more than 750mm. 1st tie rod shall be at 125mm from bottom. Window shall be provided for column height more than 1400mm. Wedge clips shall be at 150mmc/c. back to back angle Yokes shall be provided at each tie rod level. Raker props shall be supported on a firm base.

Observation –

Activity - Provision of Empty cement bag below the shuttering panel.

Acceptance Criteria - No gap shall be seen, in space between shuttering panel bottom & slab top.

Observation –

Activity - Starter/ Column dimension (width, length, right angle, line & plumb).

Acceptance Criteria - As per Drawing. Dwg No.__________
Rev. No.:________

Observation –

Activity - Column top concreting level.

Acceptance Criteria - As per Drawing. Dwg No.__________
Rev. No.:________

Observation –

Activity - Working platform.

Acceptance Criteria - Shall be supported on H frame with atleast27” wide platform.

Observation –

Activity - Tools & materials for

Acceptance Criteria - making cement slurry, & trey for Concreting 2 G.I. buckets, 1 ltr. Cylinder, 500 ml bottle for plasticizer & rod for stirring

Observation –

Activity - Two nos. electrical vibrator, one no. petrol vibrator & spare needle.

Acceptance Criteria - Available near columns

Observation –

Note All dwg numbers, to be referred should be filled in, before the Checklist is referred to, at the location, for Acceptance Criteria, by the Senior Engineer/Sector Engineer.

FOREMAN: _________________________

JR.ENGR/SITE ENGINEER: _______________

SENIOR/SECTOR ENGINEER: ______________


NB: Checklist, to be completed in all respects and signed with the date by all concerned, as designated above.



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