02 Specifications amendment.pdf
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- Attached to
- Child Development Center Renovation Solicitation
- Solicitation number
- FA452824R0001
About this file
This amendment to the specifications for the Child Development Center Renovation project details six changes to the contract documents. The amendment adds language to Sections 32 16 19 and 32 12 16.16 of the specifications regarding subgrade compaction and rolling operations for bituminous surfaces. It instructs contractors to add inlet protection to Grated Inlet #1509 on Sheet C-101 to prevent erosion. Plans on Sheet C-101 are updated to include a new ADA ramp on the south side of the buildings. Sheet C-105 is amended to include Pedestrian Curb Ramp Pathway/Sidewalk Detail STR-8 from the City of Minot standards and to specify a four-inch thickness for sidewalk concrete. The related federal solicitation is for the Child Development Center Renovation project under Solicitation Number FA452824R0001 issued by the Department of the Air Force Global Strike Command.
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Text version
AMENDMENT- #1
RENOVATE CHILD DEVELOPMENT CENTER CDC B164
PROJECT NUMBER AFPID 1007645
16 AUGUST 23
AMENDMENT ITEMS LIST:
1. ADD TO SPECIFICATIONS, SECTION 32 16 19, CONCRETE CURBS, GUTTERS,
AND SIDEWALKS: ADD TO 3.1.1: Place and compact the subgrade in accordance with Section 32 11 20 base course for rigid and subbases for flexible paving.
2. ADD TO SPECIFICATIONS, SECTION 32 12 16.16, BITUMINOUS TACK AND
PRIME COATS: ADD TO 3.7.1a: Sequence rolling operations and select the type and the number of rollers to match production and to attain the required density before the mat temperatures fall below 185°F.
3. ADD TO PLAN SHEET CD 101 REMOVAL PLAN: Add inlet protection to grate inlet w/ hood #1509 to mitigate erosion of soil into storm sewer.
4. PLANS, SHEET C-101 PAVING PLAN: Existing ADA ramp was not called out in the plans on the south side of the buildings where the new sidewalk ties into the main parking lot. Install new ADA ramp to replace the existing ramp.
5. PLANS, SHEET C-105, NOTES AND DETAILS: ADD DETAIL FROM CITY OF
MINOT STANDARD SPECIFICATIONS AND DETAIL - STR-8 PEDESTRIAN CURB
RAMP PATHWAY / SIDEWALK. See attachment below in appendix A.
6. PLANS, SHEET C-105, NOTES AND DETAILS: TYPICAL SIDEWALK SECTION.
Sidewalk shall have a thickness of 4 inches. Below the concrete sidewalk, a 4” aggregate base course is to be installed.
Appendix A
PEDESTRIAN CURB RAMP PATHWAY / SIDEWALK.
City Plate No.:
Section:
Last Revision:
STANDARD DETAILS
A
Notes:
1. Detectable warning panels shall be installed to match the ramp width (the usable portion of ramp).
2. Curb ramps shall be constructed in accordance with
NDDOT Standard Drawing
D-750-03.
3. Refer to NDDOT Standard
Drawing D-750-03 for additional curb ramp types.
4. Desirable turning space is 5' by 5' or larger with a minimum size of 4' by 4'. Maximum slope for turning spaces is 2% in any direction.
5. Concrete for ADA ramp shall be installed 6" thick.
Varies
M i n
Face of curb
Top of curb
Lip of gutter
2'2'
A
Flow line
B
B
Varies 2'
6"-8"
#3 x 12" tie bar at 18" O.C.
Detectable warning panel
12:1 Max.
12"
12/18/2020
STR-8
PEDESTRIAN CURB RAMP
PATHWAY / SIDEWALK
M S
T A
N D
A R
D
S
P E
C S
D
E T
A I L
S
D e t a i l s S
T R
P
E D
E S
T R
I A
N
C
U R
B
R
A M
P
P
A T
H W
A Y
S
I D
E W
A L K d w g
Lip of gutter
Flow line
1 in/ft slope max.
5' typ.
(see note 1)
PLAN
SECTION A-A
SECTION B-B
Expansion joint
" x 12" smooth dowels @ 2'
O.C. typ.
5' typ.
(see note)
Engineering Department
Turning Space
Turning Space
4" Class 5 aggregate base
6" ADA Ramp
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