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. 1^st 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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