18-045_CAL_Roof_Replacement_Phase_2_HU_CB01_Final-Plans.pdf
PDF 11 MB Posted
- Attached to
- FPCM-CAL-I001055-M085-KR
- Solicitation number
- 0000039931
- Issued by
- Imperial County, California
About this file
This is a Construction Bulletin issued by the Facility Planning, Construction and Management Division of the California Department of Corrections and Rehabilitation for Calipatria State Prison, dated July 22, 2024. The bulletin addresses Project #18-045, which involves roof replacement Phase II across multiple housing unit buildings (Buildings 321-325, 331-335, 341-345, and 351-355). The project requires revisions to roof slope specifications from the original design, reducing the slope to unspecified measurements per foot (values appear corrupted in the document) and revising parallel AHU cricket slopes to 1 inch per foot on upper roofs. The bulletin modifies 19 drawing sheets across two building series (GA and HA series), including sheets GA2.0-4.7 and HA2.0-4.7, with corresponding adjustments to spot elevations, parapet heights, guardrail slopes, roof edge conditions, roof hatch details, and parapet framing details. The bulletin was approved by Senior Architect Martha Cervantes and Supervising Architect John Rodriguez and supersedes all previous plans and specifications for the affected drawings.
The revisions documented in this bulletin stem from RFI 003 response and reflect design modifications that reduce overall roof slope requirements and adjust related structural elements accordingly. The bulletin details comprehensive changes to parapet edge conditions, safety railing details, and insulation specifications to accommodate the revised roof slope. These modifications apply uniformly across both building series and require updated construction documentation to reflect the current design standards for the roof replacement project.
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FACILITY PLANNING, CONSTRUCTION AND MANAGEMENT
DIVISION
DESIGN SERVICES AND STANDARDS BRANCH
ARCHITECTURE AND ENGINEERING SECTION
CONSTRUCTION BULLETIN
No. 1
Institution: Calipatria State Prison - CAL
Bulletin Number: 1
Date of Issuance: July 22 st, 2024
Reference: Project #18-045, Replace Roof, Phase 11, including
Building 321 19-S-3270-C-NW
Building 322 19-S-3302-C-NW
Building 323 19-S-3303-C-NW
Building 324 19-S-3304-C-NW
Building 325 19-S-3305-C-NW
Building 331 19-S-3306-C-NW
Building 332 19-S-3307-C-NW
Building 333 19-S-3308-C-NW
Building 334 19-S-3309-C-NW
Building 335 19-S-3310-C-NW
Building 341 19-S-3311-C-NW
Building 342 19-S-3312-C-NW
Building 343 19-S-3313-C-NW
Building 344 19-S-3314-C-NW
Building 345 19-S-3315-C-NW
Building 351 19-S-3316-C-NW
Building 352 19-S-3317-C-NW
Building 353 19-S-3318-C-NW
Building 354 19-S-3319-C-NW
Building 355 19-S-3320-C-NW
Drawing numbers:
GA2.0, GA2.1, GA2.2, GA3.1, GA3.2, GA3.3, GA4.1, GA4.2, GA4.5, GA4.7,
HA2.0, HA2.1, HA2.2, HA3.1, HA3.2, HA4.1, HA4.2, HA4.5, & HA4.7.
Description: This bulletin is to revise the roof slope to the existing ¼” per foot and to revise the parallel AHU’s crickets to 1 ½” per foot on the upper roof per RFI 003 response. Plans and Sections have been revised show the updated roof slope. Parapet, CAL Replace Roof, Phase 11
18-045 Construction Bulletin No. 1
P:\DESIGN SERVICES\CAL\DESIGNS\18-045 Replace Roof, Phase 2, Housing Units\Construction Supports\CBs\CB01 RFI03
Roof Slope\CAL 18-045 CB-1 Summary.doc edge condition and safety railing details on the upper roof have been updated to show the reduction of insulation due to the revised roof slope.
Approved: ________________________________ ________________
Martha Cervantes Date
Senior Architect
John Rodriguez Date
Supervising Architect
07/22/2024
7.23.2024
18-045 Construction Bulletin No. 1
P:\DESIGN SERVICES\CAL\DESIGNS\18-045 Replace Roof, Phase 2, Housing Units\Construction Supports\CBs\CB01 RFI03
BULLETIN NUMBER: 1
The following items in this Bulletin shall supersede those in all previously issued Plans and Specifications.
Changes, modifications, corrections, clarifications, or additions as set forth herein shall apply to the above documents and shall be replaced all the requirements as though originally specified or shown.
This Bulletin consists of (19) item:
ITEM
NO. DESCRIPTION
1. Sheet GA2.0:
a. Revised roof slope to ¼” per foot.
b. Revised cricket slope at upper roof AHU to be 1 ½” per foot.
c. Revised spot elevations and parapet height on upper roof.
2. Sheet GA2.1:
a. Revised roof slope to ¼” per foot,
b. Revised spot elevations at upper roof.
c. Revised keynote #18.
3. Sheet GA2.2:
a. Revised roof slope to ¼” per foot,
b. Revised spot elevations at upper roof.
c. Revised keynote #3
4. Sheet GA3.1:
a. Revised roof slope to ¼” per foot, see detail B/GA 3.1
b. Revised spot elevations at upper roof, see detail B/GA 3.1
5. Sheet GA3.2:
a. Revised top of parapet elevations at upper roof per reduction of roof slope, see details B/GA3.2, A2/GA3.2, A/GA3.2
6. Sheet GA3.3:
a. Revised elevations per revised roof slope, see detail C/GA3.3.
b. Revised Guardrail slope per roof slope revision, see D/GA3.3
7. Sheet GA4.1:
a. Revised parapet detail to reduce parapet height per reduction of roof slope. See detail 1B/GA4.1.
8. Sheet GA4.2:
a. Revised roof edge condition detail per revised roof slope, see detail 3/GA4.2 and
5B/GA4.2.
9. Sheet GA4.5:
a. Revised steel size at roof hatch per the revised roof slope, see detail 7/GA4.5
18-045 Construction Bulletin No. 1
P:\DESIGN SERVICES\CAL\DESIGNS\18-045 Replace Roof, Phase 2, Housing Units\Construction Supports\CBs\CB01 RFI03
10. Sheet GA4.7:
a. Revised parapet framing per revised roof slope, see detail 2/GA4.7
11. Sheet HA2.0:
a. Revised roof slope to ¼” per foot.
b. Revised cricket slope at upper roof AHU to be 1 ½” per foot.
c. Revised spot elevations and parapet height on upper roof.
12. Sheet HA2.1:
a. Revised roof slope to ¼” per foot,
b. Revised spot elevations at upper roof.
c. Revised keynote #18.
13. Sheet HA2.2:
a. Revised roof slope to ¼” per foot,
b. Revised spot elevations at upper roof.
c. Revised keynote #3.
14. Sheet HA3.1:
a. Revised roof slope to ¼” per foot, revised spot elevations at upper roof. See detail B/GA 3.1
15. Sheet HA3.2:
a. Revised top of parapet elevations, see details 1/HA3.2, 2/HA3.2.
b. Revised elevations per revised roof slope, see detail C/HA3.3.
c. Revised Guardrail slope and top of roof elevation per roof slope revision, see
D/HA3.3
16. Sheet HA4.1:
a. Revised parapet detail to reduce parapet height per reduction of roof slope. See detail 1B/HA4.1.
17. Sheet HA4.2:
a. Revised roof edge condition detail per revised roof slope, see detail 3/HA4.2 and
5B/HA4.2.
18. Sheet HA4.5:
a. Revised steel size at roof hatch per the revised roof slope, see detail 7/HA4.5
19. Sheet HA4.7:
a. Revised parapet framing per revised roof slope, see detail 2/HA4.7
7.23.2024
File details come from the government source that posted it. Updated .