Checklist For Column Concreting

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 =

Sr. No. Activity Acceptance Criteria Observation
Column starter. Shall be free of honey combing, edge being not broken & laitance removed with coarse aggregate top exposed compulsorily.
Provision of Rebar (dia. & qty.), + dowels if

any

As per Column schedule As per RCC Drg.

No.:_______,

Rev. No.:________

Position of Rebar. (Lapping, spacing of

stirrups with 45 degree legs & master ring).

As per General drawing. As per RCC Drg.

No.:_______,

Rev. No.:________

Clear Cover of Rebar. Shall be provided of 55mm & 40mm, for below ground & above ground respectively, with a + 5 mm tolerance.
Position of topmost stirrup of column. Shall be placed at 40mm below concreting top.
Position of guide/master stirrup above

concreting level.

Shall be provided at Min. 600mm & Max.

1000mm.from concrete top.

Space of needle vibrator, insertion, for

concreting works.

Shall be Min. 70mm gap to suit 60mm needle vibrator & Min 50mm gap to suit 40mm needle vibrator
Binding wire knots & tail Shall not be in Clear cover zone.
Shuttering works 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 firm base.
Provision of Empty cement bag below

shuttering panel.

No gap shall be seen, in space between shuttering

panel bottom & slab top.

Starter/ Column dimension (width, length,

right angle, line & plumb).

As per Drawing. Dwg No.__________

Rev. No.:________

Column top concreting level. As per Drawing. Dwg No.__________

Rev. No.:________

Working platform. Shall be supported on H frame with atleast 27” wide

platform.

Chute (Supda) at window level & top level. Shall be provided in 45 degrees slope with width of

minimum 300mm & to be provided in alternate

window panel.

Tools & materials for making cement slurry,

& trey for concreting

2 G.I. buckets, 1 ltr. Cylinder,500 ml bottle for

plasticizer & rod for stirring

Two nos. electrical vibrator, one no. petrol

vibrator & spare needle.

Available near columns

Note : All dwg numbers , to be referred should be filled in , before the Checklist is referred to , at

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 date by all concerned, as designated

above.

 

Click Here to Download

See More  Checklist for Bored cast in-situ piles - Boring