Title
Staff Report for a Resolution to Award a $3,048,462 Construction Contract to DeSilva Gates Construction, L.P. for the Annual Overlay / Rehabilitation 2016-17 Project Phase 1, Project No. 2017.0050; Authorization for the City Manager to Negotiate and Approve Individual Change Orders Up to 5% of the Original Contract Amount; and Authorization for the City Manager to Negotiate and Approve Cumulative Change Orders Up to 15% of the Original Contract Amount
StaffReport
SUMMARY AND RECOMMENDATIONS
This contract provides for repaving of the City streets listed on an attachment to this report.
Staff recommends the following actions:
* Awarding the construction contract to DeSilva Gates Construction, L.P. in the amount of $3,048,462 for Phase 1 of the subject project;
* Authorizing individual change orders up to 5% of the original contract ($152,423), and authorizing a total change order amount up to 15% of the original contract ($457,269);
BACKGROUND
For ease of management and to reduce inconvenience to residents, the Annual Overlay/Rehabilitation 2016-17 Project was split into two phases. Phase 1, which is this project, will be constructed first, while Phase 2 is expected to be awarded in late 2017. This project includes two types of street repair, overlay and reconstruction. Phase 1 of the project involves overlay of 3.7 lane-miles of roadway on six streets. Overlay is less expensive than reconstruction and is performed on streets that have deteriorated beyond what can be repaired using a street sealing treatment but which have not yet completely failed and can be restored with an overlay treatment of asphalt concrete pavement. Overlays involve the removal of the top layer of existing pavement, completing spot repairs of failed subgrade areas, and replacing the top layer with new asphalt pavement. This overlay method is applied only if the roadway does not have a very high crown which is a steep slope from the center of the street to the gutter.
Reconst...
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