FOI_2011-00646_Enclosure - Hanford Site

Progress Review Meeting
Page 2
work on water line on an off shift work day, pushing for Friday 2/19/20 10. Excavation permit is
complete. Discussed that 1 00-K water will be shut-off this weekend. Friday work is pending.
Further discussed backflow preventer versus air-gap installation requirements. DDI is pursuing
additional changes to the water system tie-in. WCH met with CHPRC again on 2/22/2010. DDI
to complete system construction while new permits are pending. Decision has been made to
utilize the existing permits in place. DDI will begin to get materials on site to support installation
of water tie-in to support installation date of Friday, 3/19/2010. Work inside the fence next door
needs to be complete by the end of the weekend of the 1 9 th so not to disrupt their work. DDI
indicated system should be operational the week of March 22. DDI waiting on materials, flow
restrictors, tanks, calcium chloride. Underground installations completed in the 100-K area. DDI
does not yet have parts on-site to complete the above ground installations to complete the tie-ins.
DDI to provide information/details for additional flow requests. DDI to prepare as-built
information prior to energizing system. High tank is in place and operational. DDI is having
some issues with float valve that they are continuing to work through. Getting this system
operational inside the burial ground needs to be a priority. DDI is working through a request by
Watts for additional GPM. DDI is considering bringing in another sub to complete the water
system project (4/20). DDI is evaluating a recalculation of water system requirements from Watts
and will forward to WCH after review. Watts has been instructed by DDI to continue installation
of the stabilization injection system related to the water system. WCH requests a P&ID of the
water system (4/27).
" Discussion of waste oil uses and testing of same if oil is taken off site. Will discuss fujrther with
environmental regarding Watts' re-use of waste oil. WCH is investigating from an environental
perspective. DDI to supersede the SPCC with an OMP. WCH has evaluated waste oil for
heaters. DDI to provide a designation of non-regulated and/or specification on used oil that
qualifies to burn prior to removal of any waste oil from the site. When DDI has submitted OMP,
Environmental will get WCH concurrence. DDI plans to submit by 1/27/2010. DDI requesting
assistance/support with designations. WCH in review of the OMP, WCH will provide support to
DDI with the required designations for waste oil burning. DDI to submit revised OMP this week.
DDI is working with WCH EPL on clarifications. WCH EPL to observe Watts's oil burning
facility on 3/18/2010. DDI will submit OMP after that date. OMP waiting on ARES revision to
drawings, then DDI will submit. Drawings should be available for pickup by DDI this week then
the OMP will be submitted. No update (4/20). DDI is working on final review of this submittal
and will submit by 5/11/2010 (4/27).
" DDI to provide a plan to access the top of the diesel fuel storage tank. DDI confirmed ladder is
on site. Will be meeting with WCH Safety about use and training requirements prior to
developing and implementing a plan for utilization. DDI plans to construct scaffolding with
handrails to access top of tank. WCH will be issuing a new scaffolding procedure soon and will
incorporate any potential changes or impacts to the subcontractor. DDI will be installing a ladder
and tie-off point next week. WCH will need to have the tie-off point inspected by a qualified
person prior to use. DDI will install ladder bolts from the ground for the first two or three rungs
and then contract with Northpoint to complete the remainder of the ladder installation. DDI to
complete fall prevention THA and make sure that work package is discussed and clear to all
involved. DDI discussing a "flip-plate" to be used to stick check levels in the tank from the top
of the ladder. DDI needs to check that modifications made to the tank are in compliance with the
manufacturer's specs. Ladder to be installed today (3/23/20 10). Ladder installation delayed
because the bolts where too large for the holes. New DDI PM will be revisiting this matter
(4/20). Watts is looking into the costs associated with placing scaffolding around the tank.
Another alternative is to bring a man-lift to the site (4/27).