2016-01-18_REPORT - M1977493

• Permit No: M1977493
• IBM Index Class Name: REPORT
• Doc Date: 1/18/2016
• Doc Name: Asbestos Disposal Shaft Closure Report
• From: Climax Molybdenum
• To: DRMS
• Email Name: ECS
• Media Type: D
• Archive: No

SPECIFICATION NUMBER:
Climax Molybdenum CONCRETE CONSTRUCTION 03 30 00 SPE
A Freeport-McMoRan Company TECHNICAL SPECIFICATION PROJECT NAME:
CAVR Shaft Closure Project
6. All materials used in construction of the work shall have been verified as
being in accordance with the Design Drawings, this Specification and any
referenced specifications.
7. The compliance with all sections of this Specification shall have been
inspected and approved by the Engineer or Owner before any concrete is
placed.
D. Access
1. The Contractor shall have provided adequate access walkways, safety
barricades and facilities, and adequate access ways for concrete delivery
vehicles or conveyances. Under no circumstances will concrete chutes or
conveyances be supported on reinforcing steel.
E. Formwork
1. The Contractor shall be responsible for providing suitable and adequate
formwork to meet the safety requirements and the required quality of the
finished work. The material to be used for formwork shall be selected by
the Contractor as being the most suitable for the specific work involved in
strict accordance with the Design Drawings. The formwork shall conform
to the shapes, lines, elevations and dimensions of concrete shown on the
Design Drawings. The latest issue of ACI 347, "Guide to Formwork for
Concrete" shall be used as a guide.
2. The forms shall be constructed, shored, braced and tied to maintain their
position and shape during and after placing concrete. They shall be
sufficiently tight to prevent leakage of mortar. The forms shall have
adequate stiffeners, wales and braces to prevent noticeable deflection or
waviness.
3. Contractor shall prepare a specific job safety analysis for the installation of
formwork within the shaft and will be solely responsible for the safety of
all individuals constructing the formwork and working in the area of the
open shaft.
4. The forms shall be constructed so that exposed concrete will have smooth
surfaces free from offsets, fms or other unsightly defects. Forms which are
reused shall be thoroughly cleaned of dirt,hardened concrete or undesirable
adhering substances and they shall be patched, repaired and finished to a
smooth surface without broken or chamfered corners.
5. Form release agent shall be applied to the surfaces of forms to be removed
following placement, before placing reinforcement. Application is to be in
accordance with the Manufacturer's recommendations.
114-910345 CONCRETE CONSTRUCTION
Climax CAVR Shaft Closure Project 03 30 00 SPE-15