A. 
Scope of work.
(1) 
The work of this article includes installation of steel guide rail along roadways, including any excavation, concrete work and restoration of paved or unpaved surfaces.
(2) 
Related work specified elsewhere.
(a) 
Bituminous paving and surfacing: Article XI.
(b) 
Plain and reinforced cement concrete: Article XXVII.
B. 
Quality assurance.
(1) 
Reference standards.
(a) 
Pennsylvania Department of Transportation (latest revisions).
[1] 
Publication 408, Specifications.
[2] 
Publication 72M, Roadway Construction Standards (RC).
(2) 
Qualifications.
(a) 
Guide rail installer shall be a firm that specializes in this work, has minimum five years experience and is PennDOT prequalified to perform this work.
C. 
Job conditions.
(1) 
Control of traffic shall be in accordance with PennDOT Publication 203, Work Zone Traffic Control.
(2) 
Protection of existing utilities and structures.
(a) 
Take all precautions to protect existing utilities and structures. Comply with requirements of Pennsylvania Underground Utility Protection Law.[1]
[1]
Editor's Note: See 73 P.S. § 176 et seq.
(b) 
Advise each person operating power equipment for excavation of the type and location of utility lines at the job site.
(c) 
Immediately notify the utility owner and the municipality of any damage to a utility line.
A. 
Guide rail. All rail elements, posts, offset brackets, base plates, other hardware and end sections shall be in accordance with PennDOT Publication 408, Section 1109, including galvanizing.
B. 
Anchor bolts. Anchor bolts shall be in accordance with Penn DOT Publication 408, Section 1105, and as shown on drawings.
C. 
Concrete. Concrete for end anchorage shall be Class A cement concrete in accordance with PennDOT Publication 408, Section 704.
A. 
Approach guide rail.
(1) 
Ensure property lines and legal boundaries of work are clearly established.
(2) 
Remove any existing railing and install new guide rail in accordance with PennDOT Publication 408, Section 620.
(3) 
Install guide rail at the post spacings, lengths and with end treatments as shown on the contract drawings. Restore ground surface to preexisting conditions.
B. 
Cleanup. Clean up debris and unused material and remove from the site.