New Prebid Policy and Procedure Division of Construction Management.
E NGINEERING D IVISION 13 th Street Storm Drain Replacement Project Prebid Meeting for Phases 2 & 3.
-
Upload
erika-davidson -
Category
Documents
-
view
216 -
download
3
Transcript of E NGINEERING D IVISION 13 th Street Storm Drain Replacement Project Prebid Meeting for Phases 2 & 3.
ENGINEERING DIVISION
13th Street Storm Drain Replacement Project
Prebid Meeting for Phases 2 & 3
River
City
Hall North Point Mall
Power
hous
e
Scie
nce
Cente
r
Cam
ino
del
Rio
ENGINEERING DIVISION
Agenda
(1)Bid Requirements
(2)Project Overviewa) High Level – Aerial, Slides, Photosb) Plans – Walk through sheets
(3)Attention Items
(4)Questions
(5)Wrap up
ENGINEERING DIVISION
Site Overview & Aerial
Phase 2Cross CDOT
Phase 3City Properties & Discharge to
River
Phase 3Connect to
existing infrastructure and abandon old pipe
River
City
Hall
North Point Mall
Power
hous
e
Scie
nce
Cente
r
Cam
ino
del
Rio
Phase 1Cross
D&SNGR
ENGINEERING DIVISION
Phase 1 – Cross D&SNGR (Completed)
• Constructed during D&SNGR shutdown period in 2014
• Shown on the plans, but bidding is for Phases 2 & 3 only
• Will need to tie into Phase 1 as part of Phases 2 & 3.
ENGINEERING DIVISION
Phase 2 – Cross CDOT Highway 550 (aka Camino del Rio)
• New alignment
• Phased approach for traffic• 3 lanes of travel at all times
• One panel construction limit
• Sewer line proximity & pipe slope• Unknown gas location
• Backfill - flow-fill• Anchor pipe for float
• New concrete panel must be tied into adjacent panel(s) and curb/gutter
• New Type R Inlet
• Tie into Phase 1
• New structure/pipe installed to get outside of CDOT right-of-way
ENGINEERING DIVISION
Phase 3 – City Properties to the Animas River
• Old pipe alignment
• New Filter Vault & Diversion Structure• Connect to Phase 2
• New surface WQ feature(s)• Includes a wall, Rain Garden, Sand
Filter • Landscaping (TBD)
• Connect to other infrastructure
• Improve pavement for FS&R
ENGINEERING DIVISION
Phase 3 – City Properties, Outfall to the Animas River, North Point Mall Parking Lot
• Outfall to Animas River• City Arborist • ART access• Access to Powerhouse Science Center• Cleanup at outfall
ENGINEERING DIVISION
Phase 3 – City Properties, Outfall to the Animas River, North Point Mall Parking Lot
• Connect Phase 3• Adding new structures and connecting
to existing infrastructure
• Demo/abandon old storm pipe
• Final Stabilization, cleanup and wrap up
ENGINEERING DIVISION
Plans & Attention Items
• Construction Phases 1, 2 & 3 Limits
• Phase 2 timing (March 30th – May 22nd)
• Traffic phasing vs traffic control
• Stormwater Management
• Uranium Mill Tailings & Management
• Sewer line under Camino del Rio
• Unknown gas line depth/location
• Water Quality features• CDS unit & Diversion structure• Rain Garden & Sand Filter• High flow bypass
• Outfall to River & Ordinary High Water Mark
ENGINEERING DIVISION
Questions?
Additional Questions can be sent to Purchasing Department (Karen Herman)
970-375-4994
Question Deadline – February 24th
Response to Questions & Addendum – February 27th
Bid Opening – March 5th
Bid Award – March 12th
Notice to Proceed – March 30th