HomeMy WebLinkAbout20063567 Page 1 of 1
Kim Ogle
From: Davis, Connie [Connie.Davis@aggregate-us.com]
Sent: Tuesday, September 19, 2006 4:20 PM
To: Kim Ogle
Subject: AmUSR-905 Platte Valley
Attachments: Brighton RMC Draft Response to Weld County 9-19-06.doc
Hello Kim—AI has prepared the attached'draft letter outlining the proposed concrete fence operation and responding to
questions raised during our meeting last Wednesday. We sincerely believe that the proposal does not constitute a substantial
change, and with that goal in mind, I would greatly appreciate your review and comments prior to finalizing for submittal and
reconsideration by staff. I would be happy to discuss by phone. I will not be in the office tomorrow,but you can reach me
on my cell phone—(970)396-5252.
We also would be happy to attend the Planning staff meeting when this is presented to respond to questions. Is that
something that can be done?
Thanks!
Connie N. Davis
Land Resources Assistant
Aggregate Industries-WCR,Inc.
conme.davis@aggregate.com
Phone: (970)336-6526 Fax: (970)378-6856
DDOU -35117
09-20-2006
Draft Response to Weld County re SCD
I appreciated the opportunity to meet with you, Bethany Salzman and Chris Gathman on
September 13, 2006 regarding Aggregate Industries' proposal to designate an area within
the ready-mix plant site of its Platte Valley Operation, AmUSR-905, for pouring, curing
and storing concrete fence panels. As you requested, I have clarified that fence
production does include production of concrete panels, columns, and caps; however, no
other formed products are proposed. The following summarizes the proposal as we
discussed and further responds to other questions raised during our meeting.
The concrete batch plant is designated on the USR plats in the area noted as Cell 5. A
reduced copy of the extraction plan plat as recorded with the County is enclosed for your
reference. Also enclosed is an aerial photograph of the concrete batch plant upon which
the proposed concrete fence production and storage area has been delineated. This area is
approximately 130' x 130' and lies within the existing footprint of the plant. There are
no new permanent structures or substantial improvements associated with the proposed
use. Additionally, no new access or parking areas are proposed.
The proposed area will be graded on three sides to provide ramps and unloading pads
from which a ready-mix truck can pour concrete into forms for producing the fence
products. These three sides will be bound by retaining walls, making use of an existing
concrete wall on the east boundary and by placing concrete blocks along the north and
west boundaries. A chain link fence and gate will be placed across the southern
boundary.
Forms for producing the fence products will be assembled on site and placed on a
concrete slab at existing grade within the proposed area. Concrete from AI's ready-mix
batch plant will be poured into the forms from an AI ready-mix truck. Cured concrete
products will be removed from the forms by a loader or fork lift to the south end of the
proposed area where they will be stored until sold or moved to an off-site retail sales
location.
Tools associated with the proposed use will be stored in an 8' x 20' portable intermodal
freight container that would be placed within in the proposed area.
Materials such as fiber mesh, curing compounds, and color additives, are materials
currently stored and used in AI's ready-mix concrete operation and will be supplied as
necessary by AI for producing the concrete fence related products. These materials were
included in a chemical list that was submitted to the Environmental Services Division of
the Weld County Department of Public and Environment in accordance with conditions
of approval for AmUSR-905.
Either wire mesh typically used in AI's ready-mix operations or steel mesh manufactured
off-site may be used in producing the concrete fence products. Delivery of off-site
material for this purpose is not expected to exceed one truck load per month. Storage of
any steel mesh material would be within the proposed use area, and in accordance with
Al's site procedures, a Material Safety Data Sheet will be maintained on site for such
material.
The proposed activity is not expected to increase production and related truck traffic
above the 100,000 cubic yard annual production rate projected under AI's application for
the currently approved USR. Annual production rates have remained under the original
projection, and a projected 3,000 to 6,000 cubic yards produced annually for the proposed
activity is not expected to increase overall production above the original estimate.
Additionally, material produced and supplied by AI that would otherwise be hauled to an
off-site location will instead be formed and cured on site, then hauled as a finished
product.
There will be three to four full-time employees associated with the proposed activity,
which is not expected to increase the total number of employees originally projected
under the approved USR. An estimated total of 19 employees under the USR application
included a buffer above full production from both aggregate mining and processing as
well as ready-mix operations. Due to the removal of extraction activity to an adjacent
site, employees who were associated with that activity are no longer working within
Platte Valley operations. Also, while processing material from the adjacent site continues
at Platte Valley, production from this facility has been scaled back in conjunction with
the activation of another nearby mine operated by AI to supply its market in this vicinity,
which has further reduced the number of employees. A current and projected base of
eight to twelve AI employees together with the projected number of employees for the
proposed use remains under the originally projected total.
The proposed use does not include display of product for public viewing or retail sales
and, therefore, no signage is proposed. Hours of operation for the proposed use will be
consistent with the operating hours for the concrete batch plant.
Enclosed for your review are photographs from existing concrete fence production
facilities at other locations. The photographs provide examples of concrete fence
products, including panels, posts and caps. I would reiterate that products other than the
concrete fence products that appear in these photographs are not proposed for production
at this site.
Based upon our discussion and the above responses, Aggregate Industries respectfully
requests your consideration and affirmation that the proposed activity, as a type of heavy
industrial use with outdoor facilities, is consistent with the I-3 industrial zone and that it
does not represent a substantial change to AmUSR-905. In support of this request we
would further appreciate the opportunity to respond to additional questions and provide
any additional information the Planning Department may require to assist in such a
determination.
Draft Response to Weld County re SCD
I appreciated the opportunity to meet with you, Bethany Salzman and Chris Gathman on
September 13, 2006 regarding Aggregate Industries' proposal to designate an area within
the ready-mix plant site of its Platte Valley Operation, AmUSR-905, for pouring, curing
and storing concrete fence panels. As you requested, I have clarified that fence
production does include production of concrete panels, columns, and caps; however, no
other formed products are proposed. The following summarizes the proposal as we
discussed and further responds to other questions raised during our meeting.
The concrete batch plant is designated on the USR plats in the area noted as Cell 5. A
reduced copy of the extraction plan plat as recorded with the County is enclosed for your
reference. Also enclosed is an aerial photograph of the concrete batch plant upon which
the proposed concrete fence production and storage area has been delineated. This area is
approximately 130' x 130' and lies within the existing footprint of the plant. There are
no new permanent structures or substantial improvements associated with the proposed
use. Additionally, no new access or parking areas are proposed.
The proposed area will be graded on three sides to provide ramps and unloading pads
from which a ready-mix truck can pour concrete into forms for producing the fence
products. These three sides will be bound by retaining walls, making use of an existing
concrete wall on the east boundary and by placing concrete blocks along the north and
west boundaries. A chain link fence and gate will be placed across the southern
boundary.
Forms for producing the fence products will be assembled on site and placed on a
concrete slab at existing grade within the proposed area. Concrete from AI's ready-mix
batch plant will be poured into the forms from an AI ready-mix truck. Cured concrete
products will be removed from the forms by a loader or fork lift to the south end of the
proposed area where they will be stored until sold or moved to an off-site retail sales
location.
Tools associated with the proposed use will be stored in an 8' x 20' portable intermodal
freight container that would be placed within in the proposed area.
Materials such as fiber mesh, curing compounds, and color additives, are materials
currently stored and used in AI's ready-mix concrete operation and will be supplied as
necessary by AI for producing the concrete fence related products. These materials were
included in a chemical list that was submitted to the Environmental Services Division of
the Weld County Department of Public and Environment in accordance with conditions
of approval for AmUSR-905.
Either wire mesh typically used in AI's ready-mix operations or steel mesh manufactured
off-site may be used in producing the concrete fence products. Delivery of off-site
material for this purpose is not expected to exceed one truck load per month. Storage of
any steel mesh material would be within the proposed use area, and in accordance with
h Ai uT
reclamation Phases 2, 3, and 4. The final surface area of the groundwater lake will not be less
than 10 acres.
For the backfilled areas in Phases 2 and 3, the final ground surface will contain slopes that are
generally shallow and flowing, but will be at a minimum 3H:1V. The final elevation of these
backfilled areas will be determined by estimates of the local groundwater elevation. In general,
the backfill will be to a height approximately 2 feet above the average groundwater elevation.
Although the backfilled ground elevation may be below the high groundwater elevation in the
created wetland areas, backfilled elevations will still be high enough to prevent permanently
exposed groundwater.
Portions of the groundwater lake that are backfilled in Phase 4, including the proposed
amendment area, will be backfilled for future industrial use. The backfill material for this area
will be placed and compacted to provide adequate stability for the anticipated future use. The
final elevation of the backfilled area will be at least 2 feet above the estimated maximum local
groundwater elevation. In addition, the final backfill elevation in this area will be as near to the
existing and surrounding ground elevation as possible (depending on the availability of backfill
material). Grading will create relatively flat surfaces appropriate for industrial uses. Any slopes
remaining will be reclaimed to a minimum 3H:1V grade. As final slopes are graded, topsoil will
be placed to provide a growing medium for the vegetation cover used to stabilize the area prior
to the final land use.
As groundwater lake slopes and backfilled areas are graded, topsoil will be used to provide a
growing medium for vegetation. Depending on groundwater elevations, the final surface
elevation of the backfilled cell may be below the existing and surrounding ground elevation.
Any slopes remaining will be reclaimed to a minimum 3H:1V grade.
Reclamation Measures/Materials Handling
The mining and backfilling will create the rough topography for the land uses. The backfilling
and grading will be done to provide stabilized pastureland and future industrial areas and to
minimize erosion. The backfill material will consist of native bedrock claystone, process fines,
overburden, other inert materials, and topsoil. The material will be generated from the Platte
Valley Operation, the adjacent Wattenberg Lakes site (Permit Number M2001008) and other
sites. There will not be known toxic or hazardous materials in the backfill material.
Additionally, it is not likely that acid forming or toxic materials will be encountered during
mining.
The mining will not leave highwalls on the property. There will be no auger holes, adits, or
shafts left on the property.
•
Toosoiling
The top two to six inches of soil on the property and within the proposed amendment area is
generally classified as topsoil. This layer includes the root zone of grasses and crops, which will
be stripped and stockpiled separately. By using concurrent reclamation techniques, the topsoil is
Platte Valley Operadan
DMG 112 Permit Amendment
Page 10
AI's site procedures, a Material Safety Data Sheet will be maintained on site for such
material.
The proposed activity is not expected to increase production and related truck traffic
above the 100,000 cubic yard annual production rate projected under AI's application for
the currently approved USR. Annual production rates have remained under the original
projection, and a projected 3,000 to 6,000 cubic yards produced annually for the proposed
activity is not expected to increase overall production above the original estimate.
Additionally, material produced and supplied by AI that would otherwise be hauled to an
off-site location will instead be formed and cured on site, then hauled as a finished
product.
There will be three to four full-time employees associated with the proposed activity,
which is not expected to increase the total number of employees originally projected
under the approved USR. An estimated total of 19 employees under the USR application
included a buffer above full production from both aggregate mining and processing as
well as ready-mix operations. Due to the removal of extraction activity to an adjacent
site, employees who were associated with that activity are no longer working within
Platte Valley operations. Also, while processing material from the adjacent site continues
at Platte Valley, production from this facility has been scaled back in conjunction with
the activation of another nearby mine operated by AI to supply its market in this vicinity,
which has further reduced the number of employees. A current and projected base of
eight to twelve AI employees together with the projected number of employees for the
proposed use remains under the originally projected total.
The proposed use does not include display of product for public viewing or retail sales
and, therefore, no signage is proposed. Hours of operation for the proposed use will be
consistent with the operating hours for the concrete batch plant.
Enclosed for your review are photographs from existing concrete fence production
facilities at other locations. The photographs provide examples of concrete fence
products, including panels, posts and caps. I would reiterate that products other than the
concrete fence products that appear in these photographs are not proposed for production
at this site.
Based upon our discussion and the above responses, Aggregate Industries respectfully
requests your consideration and affirmation that the proposed activity, as a type of heavy
industrial use with outdoor facilities, is consistent with the 1-3 industrial zone and that it
does not represent a substantial change to AmUSR-905. In support of this request we
would further appreciate the opportunity to respond to additional questions and provide
any additional information the Planning Department may require to assist in such a
determination.
Broda's Clean Fill
Inert Material Fill
Site location: 1859 North Hwy 85 & WCR 6
Brighton, Colorado 80603
Cell: 720-323-2003
Cell: 303-808-2500
Fax: 383-450-1545
Clean Inert Materials Accepted
Dirt, sand, gravel, hardened concrete, hardened asphalt, bricks, rock, earth, daylight mud
Materials NOT accepted
Contaminated soils, demolition debris, hazardous materials, trash or wood
Loads with unacceptable materials are
subject to reloading and penalty fees, or additional charges
Hours of Operation
Monday through Friday 7:00 am to 5:00 pm
Saturday and Sunday Appointment only
Mailing Address:
P.O. Box 337
Henderson. Colorado 80640
Types of Materials
The types of inert materials received are listed below and only uncontaminated materials are
acceptable. A more complete description of the inert materials is listed below.
• earth
• dirt
• soil
• sand
• gravel
• rock
• concrete(hardened for at least 60 days) and concrete pieces
• asphalt paving fragments
• top soil
• masonry
• day-lighting mud
Prohibited Materials
Contaminated soils are NOT ACCEPTABLE at the Broda site. Contaminated soils include
petroleum hydrocarbon contaminated materials, demolition debris, excessive vegetation, and other
non-inert materials. Additionally soils cannot be contaminated with asbestos, paint chips, or other
potentially hazardous materials.
Daylight Mud Placement
Placement of daylighting mud is done in a pit specifically constructed for this purpose. The pit is
located above the water table in areas of dry land. Mud is separate and the water will be pumped
off and used for dust suppression on site, or allowed to evaporate.
MEMORANDUM
46,643.1
TO: Commissioner Vaad
WIIDC DATE: June 16, 2006
COLORADO FROM: Kim Ogle, Planning Managerlf,U
SUBJECT: Broda's Inert Landfill
Ogle followed up with a telephone conversation with Connie Davis, Land Resources
Representative and the Aggregate Industries representative concerning the field investigation
of June 15, 2006.
USR-905 and AmUSR-905, Aggregate Industries, West Central Region, Inc.
Parts of Section 30, Ti N, R66W, including lands described as Lot B of RE-1102; a strip of land
370 feet wide off of the west side of the SW4; NE4SW4, NW4SE4; parts of SE4SW4; part of
the N2N2NE4 lying west of State Hwy 85; part of the S2S2 NE4 lying west of State Hwy 85;
part of the E2NW4; part of the SW4NW4 NE4 and the NW4SW4NE4 of Section 30, T1N,
R66W of the 6th P.M., Weld County, Colorado.
South of and adjacent to CR 6; west of and adjacent to State Hwy 85; north of and adjacent to
CR 4
Property is currently utilized as an open pit mining and materials processing facility including a
Concrete Batch Plant, The application also allows for a portable Concrete and Asphalt
Recycling Plant. The site has several large piles of graded aggregate within the property lines
of the USR boundary. There is also a pile of recycled concrete adjacent to SH 85 on this same
property. The gravel and batch plant operation appear to be in compliance with the resolution
by the Board of County Commissioners. No visual evidence of a fugitive dust problem. Ingress
and egress appeared to be in compliance.
There is signage for"Broda's Inert Landfill" stating hours of operation of 7am -4PM daily. An
office telephone and a cellular telephone number are provided. [Office: 303-288-3011 and Cell:
303-808-2500] Staff contacted C. Davis, Land Resources Representative and the
representative for Aggregate Industries on Friday June 16, 2006 with positive results.
Ms. Davis provided staff with electronic and hard copy correspondence between Cindi
Etcheverry, Environmental Health Supervisor, Weld County Department of Public Health and
Environment and Mark Molen of Molen Associates, LLC approving the importation of inert
materials into the Platte Valley Pit according to stipulations of the AmUSR-905 County permit.
Please refer to the attached correspondence.
End Memorandum.
pc: Planning AmUSR-905 File
Clerk to the Board of County Commissioners, File AmUSR-905
Weld County Department of Public Health and Environment
RECEIVED
JUN 2 1 2006
EVROM IL AEU SERVICES
P.O. Box 337231
Greeley,CO 80633
Panne: (970)335526
Fax: (970)379-98856
AGGREGATE
INDUSTRIES
Fax
To: Kim Ogle and Bethany Salzman From; Connie N. Davis
Weld County Planning Services Land Resources Assistant
Fax: 304-6498 Pages: 3
Phone: 353-6100, Ext, 3540 Date: 6/16/2006
Re: AmUSR905—Platte Valley CC:
Broda Landfill
❑Urgent O For Review O Please Comment O Please Reply O Please Recycle
• Comments: As we just discussed by telephone, I am faxing to you the August 10, 2005 letter to
Clndl Etcheverry, Weld County Health Department from Mark Molen, environmental consultant
representing Patrick Broda, regarding the Broda Landfill at Aggregate Industries' Platte Valley
operation. Also enclosed is a copy of Cindi's August 2, 2005 e-mail to Mark Molen. These documents
indicate that no additional permits were required by Weld County for the landfill operations.
Thanks)
Hello