Project Information

Bid Title

Chavez High School Theater Stage Update Project- IFB 26-09 ADDENDUM #1

Issuing Agency

Stockton Unified School District

Location

California

Published Date

Apr 10, 2026

Closing Date

Apr 17, 2026

Government Level

State & Local

Status

Closed

Original Source

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Bid Documents

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Project Description

Chavez High School Theater Stage Update Project- IFB 26-09

ADDENDUM #1 Chavez Theater

Project Manual Chavez Theater

Plans - Drawings Chavez Theater

Project Labor Agreement

Chavez Theater Job Walk Sign In

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John Sergio Fisher & Associates Inc.

5567 Reseda Blvd. Suite 209

Los Aneles, CA 91356

818.344.3045

Fax 818.344.0338

ADDENDUM #1

jsfa

Project:

Date:

Owner:

Architect:

CESAR CHAVEZ H.S. THEATRE RENOVATION

2929 Windflower Lane

Stockton, CA 95212

April 10, 2026

Stockton Unified School District

1944 El Pinal Drive

Stockton, CA 95212

John Sergio Fisher & Associates

5567 Reseda Boulevard, Suite 209

Los Angeles, CA 91356

A. This Addendum of clarifications, modifications, changes, additions, and/or deletions contained

herein shall be considered part of the Bid Documents for the above referenced Project as

though it had been issued at the same time and shall be incorporated integrally with the

Construction Documents for the project. Where provisions of the following supplementary

data differ from those of the Original Bid Documents, this Addendum shall govern and take

precedence.

B. Bidders are hereby notified that they shall make any adjustments in their estimates as a

result of this Addendum. It will be understood that each bidder's proposal is submitted with

full knowledge of all modifications and supplemental data specified herein.

1. CHANGES AND ADDITIONS TO THE BID DOCUMENTS

SPECIFICATIONS:

Item No. 1.01 Section 11 06 10 Theatrical Rigging Systems and Controls

REVISED

Item No. 1.02 Section 11 06 50 Theatrical Lighting Fixtures

REVISED

Item No. 1.03 Section 11 06 40 Theatrical Lighting Controls

REVISED

Item No. 1.04 Section 14 42 16 Inclined Platform Wheelchair Lift

REVISED

Cesar Chavez Theatre Renovation

Addendum 1

Page 1 of 1

STOCKTON UNIFIED SCHOOL DISTRICT SPECIFICATIONS

NOVEMBER 4, 2025

John Sergio Fisher & Associates, Inc.

Cesar Chavez HS Theatre Renovation

SECTION 11 06 10

THEATRICAL RIGGING SYSTEMS AND CONTROLS

PART 1 GENERAL

1.1 SECTION INCLUDES

A. Rigging package hoists. (Prodigy P1)

B. Rigging cable management. (Traditional Cable Management)

C. Rigging controls. (Foundation)

1.2 SCOPE OF WORK

A. One company is to be responsible for all aspects of stage rigging equipment

installation. Work in this Section: Includes furnishing labor, materials, tools,

transportation services, supervision, etc., to complete installation of stage rigging

equipment and other items as described in these specifications, as illustrated on

accompanying drawings; or as directed by the Owner's Representative.

1.3 RELATED SECTIONS

A. Related Documents: Drawings and general provisions of Contract, including General

and Supplementary Conditions and Division 1 Specification sections, apply to work

of this section.

B. Section 11 06 40 - Theatrical Lighting Controls.

C. Section 11 06 50 - Theatrical Lighting Fixtures.

1.4 REFERENCES

A. American National Standards Institute (ANSI):

1. ANSI E1.4-1 - Entertainment Technology - Manual Counterweight Rigging

Systems.

2. ANSI E1.6-1 - Entertainment Technology - Powered Hoist Systems.

B. Canadian Standards Association (CSA):

1. CSA C22.2 - General requirements - Canadian Electrical Code, Part II,

Includes Update No. 1.

C. Intertek's Electrical Testing Labs (ETL).

D. Federal Communications Commission (FCC).

E. Restriction of Hazardous Substances Directive (RoHS):

1. RoHS 2011/65/EU - Restriction of the Use of Certain Hazardous Substances in

Electrical and Electronic Equipment Directive

F. Underwriters Laboratories (UL or Ulus):

1. UL 61010 - Safety Requirements for Electrical Equipment.

11 06 10 Theatrical Rigging Systems and Controls

Page 1 of 15

STOCKTON UNIFIED SCHOOL DISTRICT SPECIFICATIONS

NOVEMBER 4, 2025

John Sergio Fisher & Associates, Inc.

Cesar Chavez HS Theatre Renovation

G. Underwriters Laboratories Canada (cUL).

1.5 SUBMITTALS

A. Submit under provisions of Section 01 33 00 – Submittals.

B. Product Data:

1. Manufacturer's data sheets on each product to be used.

2. Preparation instructions and recommendations.

3. Storage and handling requirements and recommendations.

4. Typical installation methods.

5. Shop Drawings: Provide expedited submittal of shop drawings within 14 days

after award of Contract.

6. Shop Drawing Information: Submit completed package at one time. Partial

submittal will be rejected.

7. Drawings: Complete details, dimensions, product types, equipment locations,

clearances, guides, cables, sets, Contractor fabricated equipment, and other

details required to describe the Work.

8. Scale; Equipment Layouts: 1:50; 1/4 inch equals 1 ft (6 mm equals 305

mm).

9. Scale; Equipment Details, Mounting, and Other Details: 1:25; 1/2 inch

equals 1 ft (13 mm equals 305 mm).

10. Each Sheet to have Designated Space for the Following: Approval stamp,

Project name, Supplier's name, address, telephone number, and email, and

Date submitted.

11. Variations from Construction Documents and Specifications: Indicate by

arrow and boxed caption.

12. Approval of Submitted Equipment: Obtained prior to equipment purchase or

fabrication.

13. Rejected Shop Drawings: Correct and resubmit in manner specified.

14. Submit the following items for Architect's approval, prior to fabrication:

a. Stage plan view.

b. Stage side section view.

c. Gridiron Layout: Stage equipment.

d. Electrical Riser Diagrams: Necessary power and control wiring for

rigging equipment and systems.

e. Plan and Elevation Views: Power, motor and control hardware locations

and layout.

f. Custom Panels: Dimensions for panel layouts, finishes and materials.

g. Details of installation and erection, including adjoining conditions and

necessary clearances.

h. Variations from Construction Documents and Specifications: Indicate by

arrow and boxed caption.

C. Discrepancies: If there are discrepancies in the specifications, the Contractor must

ask the Architect for clarification. If no clarification is requested, the Architect's

judgment will rule.

D. Record Drawings and Data: Within 30 days of final test and installation completion,

submit the following to the Architect.

1. Three complete sets of "as built and approved" drawings showing systems

and elements as installed, including field modifications and adjustments.

11 06 10 Theatrical Rigging Systems and Controls

Page 2 of 15

STOCKTON UNIFIED SCHOOL DISTRICT SPECIFICATIONS

NOVEMBER 4, 2025

John Sergio Fisher & Associates, Inc.

Cesar Chavez HS Theatre Renovation

2. Three sets of maintenance data including a list indicating replacement parts

lists for all items of equipment, wiring diagrams, control diagrams, any and

all keys for cabinets, racks, key operated switches etc. and complete

operation manuals.

3. Three Certificates of Guarantee.

1.6 QUALITY ASSURANCE

A. Manufacturer Qualifications: Company specializing in manufacturing products

specified in this section with a minimum five years documented experience.

B. Installer Qualifications: Company specializing in performing Work of this section

with minimum two years documented experience with projects of similar scope and

complexity.

C. Source Limitations: Provide each type of product from a single manufacturing

source to ensure uniformity.

1.7 PRE-INSTALLATION CONFERENCE

A. Convene a conference approximately two weeks before scheduled commencement

of the Work. Attendees shall include Architect, Contractor and trades involved.

Agenda shall include schedule, responsibilities, critical path items and approvals.

1.8 DELIVERY, STORAGE, AND HANDLING

A. Store and handle in strict compliance with manufacturer's written instructions and

recommendations.

B. Protect from damage due to weather, excessive temperature, and construction

operations.

1.9 PROJECT CONDITIONS

A. Maintain environmental conditions (temperature, humidity, and ventilation) within

limits recommended by manufacturer for optimum results. Do not install products

under environmental conditions outside manufacturer's recommended limits.

1.10 WARRANTY

A. Manufacturer's standard limited warranty unless indicated otherwise.

B. Installer: Guarantees the work result this specification defines, including materials

and workmanship for three years from date of full acceptance of work in

accordance with the following conditions.

1. Warranty must be in effect on materials and equipment for three years from

date of system commissioning under following conditions.

a. Maintaining warranty requires annual inspection of system by a factory

trained and certified contractor.

b. The three-year warranty is contingent upon annual inspection at end of

the first and second years of service. The end user is responsible for

making arrangements for each inspection with the contractor identified

on the Motor Controller or a factory certified inspector/installer.

11 06 10 Theatrical Rigging Systems and Controls

Page 3 of 15

STOCKTON UNIFIED SCHOOL DISTRICT SPECIFICATIONS

NOVEMBER 4, 2025

John Sergio Fisher & Associates, Inc.

Cesar Chavez HS Theatre Renovation

c. If annual inspection is not performed at the end of the first or second

year of service, the warranty becomes void at the end of that service

year

d. Warranty Inspection Reports Must be sent to factory by the inspecting

contractor within 10 days of completing inspection.

2. Nothing in this guarantee shall cause repair or replacement by Contractor

where negligence, neglect or improper operation by Owner has caused failure

of any equipment installed as defined by this specification.

1.11 SYSTEM INTEGRATOR

A. System Integrator: Contractor may utilize to coordinate and assist the installation

of motorized rigging equipment as specified. This may include but not be limited to

all motorized rigging and miscellaneous equipment.

1. The following companies have prior approval as System Integrator:

a. System Integrator Company: Musson Theatrical Inc

890 Walsh Ave

Santa Clara, CA 95050

Tel: 408-986-0210

Fax: 408-986-9552

http://www.musson.com

b. System Integrator Company:

LVH Entertainment Systems

1801 Highland Ave Unit E

Duarte, CA 91010

Tel: 805-278-4584

Fax: 805-278-7709

http://www.lvhent.com/

c. System Integrator Company:

Polaris Lighting Inc

Floyd Payne

624 Irving Ave

Glendale, CA 91201-2029

Tel: 818-265-0330

Fax: 818-265-0333

floyd@PolarisLA.com

d. System Integrator Company:

PipeGrid.Com

Jason Davis

220 East Bonita Ave, Ste 103

San Dimas, CA 91773

Tel: 626-201-4785

jason@pipegrid.com

e. System Integrator Company:

LVH Entertainment Systems

1801 Highland Ave Unit E

Duarte, CA 91010

Tel: 805-278-4584

Fax: 805-278-7709

http://www.lvhent.com/

11 06 10 Theatrical Rigging Systems and Controls

Page 4 of 15

Commodity Codes

• NAICS 236220Commercial and Institutional Building Construction
• NAICS 541330Engineering Services

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