Special_Conditions.pdf

Special Conditions Part A-1

SPECIAL CONDITIONS OF THE AGREEMENT - PART A

A. General: The Provisions of the "Special Conditions of the Agreement" shall govern in the event of any conflict between them and the "General Conditions of the Agreement."

B. Owner: The word "Owner" in the Specifications and the Plans shall be understood as referring to City of Rosenberg, P.O. Box 32, Rosenberg, Texas 77471-0032.

C. Engineer: The word "Engineer" in the Specifications and the Plans shall be understood as referring to ENGINEER. Engineers of the Owner, or such other Engineer, Supervisor, or Field Representative as may be authorized by the Owner to act in any particular position.

D. Location: Work covered by these Specifications is entitled "WASTEWATER

TREATMENT PLANT NO. 1A – CLARIFIER NO. 1 REHABILITATION

PROJECT, Rosenberg Bid No. 2027-02B” Site of the work is located at the City of Rosenberg WWTP No. 1A. The address is 2700 Avenue A, Rosenberg, TX 77471.

E. Scope of Work:

1. Under this Contract, the Contractor shall furnish all material, appliances, tools, equipment, transportation, services, and all labor and supervision necessary for the work as described in these Specifications. The completed project shall not lack any part, which can be reasonably implied as necessary to its proper completion, nor any subsidiary item, which is customarily furnished, or provided. Furthermore, the completed project shall comply in every respect with all applicable City of Rosenberg Codes and Ordinances.

2. Work under this Contract includes, but is not limited to the following:

a. Demolition including but not limited to the existing clarifier mechanism, walkway, feedwell, scraper arm, scum baffle, overflow v-notch weir, and scum collection box, control panel, complete depth of grout, and all related appurtenances as included in the Specifications and shown on the Drawings.

b. Furnish all labor, equipment, material and supervision necessary for the installation of the proposed clarifier mechanism, walkway, feedwell, scraper arm, scum baffle, overflow v-notch weir, and scum collection box, electrical, instrumentation, and controls improvements as included in the Specifications and shown on the Drawings.

Special Conditions Part A-2

c. Furnish, all labor, equipment, material, and supervision necessary for the installation of electrical and control components including but not limited to power, programming, monitoring and integration as included in the Specifications and shown on the Drawings.

d. Furnish all labor, equipment, material, and supervision necessary to complete minor concrete repairs as identified during construction.

e. Furnish and apply protective coating to concrete clarifier as included in the Specifications and shown on the Drawings.

f. Furnish all labor, equipment, material, and supervision necessary to install grouting as included in the Specifications and shown on the Drawings.

F. List of Drawings:

Sheet No. Description 1 of 7 Cover Sheet 2 of 7 General and Civil Notes 3 of 7 Site & Staging Plan 4 of 7 Clarifier Demolition Plan 5 of 7 Clarifier Process Plan View 6 of 7 Clarifier Process Section View 7 of 7 Details

G. Basis of Payment: All work outlined in Paragraph E. is included in items of the

Proposal and Bid Schedule for which prices are shown, and these price shall be the basis of payment, as more fully set forth in the General Conditions of the Agreement.

H. Time of Completion: Work shall commence promptly after written notice to commence work has been given by the Engineer and shall be carried forward to completion in an uninterrupted and timely manner.

I. Permits: Contractor to pay for all permits and fees.

J. Use of Facilities: The Contractor shall make every effort to keep site in good condition and clean from debris. As soon as the various new components have been completed, tested, etc., these facilities may be placed in operation. Such usage shall not be held to be in any way an acceptance of said work or any part thereof, or a waiver of the provisions of these specifications or the Contract pending final completion and acceptance of the Project.

K. Record Drawings: Contractor to make measurements of facilities constructed and keep accurate record of location (horizontal and vertical) of all facilities. On completion of project, Contractor to furnish Owner and Engineer with one set of

Special Conditions Part A-3 prints, marked in red to show dimensions and locations of all work constructed.

L. Other Contracts: Owner may concurrently have other construction projects underway on this same site. Contractor shall afford other contractors and/or crews reasonable opportunities for introduction and storage of their materials and execution of their work on such concurrent construction sites.

Special Conditions Part B-1

SPECIAL CONDITIONS OF THE AGREEMENT - PART B

A. SPECIFICATION:

1. Specifications are of the abbreviated, simplified, or streamlined type and include incomplete sentences. The omission of words or phrases such as "the Contractor shall", "in conformity therewith", "shall be", "as noted on the Drawings", "according to the Plans", "a", "an", "the", and "all", are intentional. Omitted words or phrases shall be supplied by inference in the same manner as they are when a "note" occurs on the Drawings.

2. The Specifications are interpreted to require that the Contractor shall provide all items, articles, materials, operation or methods listed, mentioned or scheduled either on the Plans or specified therein, or both, including all labor, materials, equipment, and incidentals necessary and required for their completion.

3. Whenever the words "approved", "satisfactory", "designated", "submitted", "observed", or similar words or phrases are used, it shall be assumed that the word "Engineer" follows the verb as the object of the clause, such as "approved by the Engineer".

4. All reference to standard specifications or manufacturer's installation directions shall mean the latest edition thereof.

5. Reference to technical society, organization, or body is made in

Specification in accordance with following abbreviations:

AASHO American Association of State Highway Officials ACI American Concrete Institute ASA American Standards Associations ASTM American Society for Testing Materials AWWA American Waterworks Association FS Federal Specifications PCA Portland Cement Association AIEE American Institute of Electrical Engineers NEC National Electric Code UL Underwriter's Laboratories AISI American Iron and Steel Institute API American Petroleum Institute IPCEA Insulated Power Cable Engineers Association NEMA National Electrical Manufacturers Association AWS American Welding Society AISC American Institute of Steel Construction CS Commercial Standard NSF National Sanitation Foundation

Special Conditions Part B-2

B. LANDS FOR WORK: Owner provides, as indicated on Drawings, land upon which work is to be done, rights-of-ways for access to same, and such other lands which are designated for use of Contractor. Contractor provides at his expense without liability to Owner any additional land and access there that may be required for his construction operations, temporary construction facilities, or for storage of materials.

C. LINES AND GRADES: In accordance with paragraph 2.06 "Lines and Grades of the General Conditions of the Agreement.” Contractor will be responsible for correcting installation as to location and grade.

D. UTILITY SERVICES FOR CONSTRUCTION: Contractor to make own arrangements for any utility services required for construction. Expense of utility services will be paid for by Contractor. Water, for construction purposes, will be furnished without cost at Owner's nearest fire hydrant.

E. MATERIAL TESTING: All required testing, as determined by the Engineer, shall be paid for by the Contractor.

F. VARIATIONS DUE TO EQUIPMENT: Foundations, structural supports, electrical work, and piping shown on Plans for items of equipment may be changed if necessary to accommodate equipment furnished. Every effort has been made to design foundations, structural supports, electrical work, and piping so that no changes will be necessary; however, exact dimensions and size of such foundations and structural supports and exact electrical and piping installations cannot be finally determined until various items of equipment are purchased and manufacturer's certified shop drawing are secured. Make required changes, with prior approval of Engineer, at no cost to Owner. If substitute items of equipment are authorized which vary materially from those shown on Plans, prepare and submit equipment data and detailed drawings covering necessary modifications to Engineer for approval.

G. ALTERNATE DESIGNS: If alternate design features are proposed for convenience of Contractor, submit design calculations and detail drawings covering proposed changes and related modifications of Contract Drawings to Engineer for approval.

H. SHOP DRAWINGS: (Paragraph 2.12 "Shop Drawings" of the General Conditions of the Agreement is amended as follows). Furnish Engineer six (6) copies of shop and erection drawings, schedules, and data sheets covering items of construction and equipment listed below:

1. Structural and miscellaneous steel and steel tanks

2. Architectural products

3. Reinforcing steel

Special Conditions Part B-3

4. Mechanical equipment, including valves and sluice gates

5. Electrical equipment, including instruments, controls, and complete wiring diagrams

6. Reinforced concrete pressure pipe

7. Special items, as directed

Contractor will review and approve shop drawings for compliance with the requirements of the Contract and will so certify on each drawing prior to submittal to the Engineer.

Engineer will pass upon drawings submitted promptly, making desired corrections or revisions. If Engineer rejects drawings, resubmit corrected drawings until drawings are acceptable to Engineer. Such procedure shall not be considered cause for delay. Obtain approval prior to purchase or fabrication. Approval of drawings by Engineer does not relieve Contractor of any requirements of terms of Contract.

I. COST OF BREAKDOWN FOR LUMP SUM BID ITEMS: Within fifteen (15) days after execution of Contract, submit, in acceptable form, schedule showing subdivision of Contract into various items of permanent construction, stating quantities and prices, as basis for computing value to Owner of permanent usable parts of facility to be paid for on monthly estimates. No payment will be made to Contractor until such schedule has been submitted and approved.

J. PROGRESS SCHEDULE: Within fifteen (15) days after execution of Contract, submit in acceptable form, anticipated progress schedule covering work to be performed. Progress schedule is not required on those projects, which will be completed in less than one hundred fifty (150) calendar days.

K. GUARANTEES: Guarantee work, including equipment installed, to be free from defects due to faulty workmanship or materials for period of one (1) year from date of issue of Certificate of Acceptance. In addition to the one-year guarantee, ground surfaces disturbed by construction of water lines and sewer lines shall be maintained for period of three (3) months following Certificate of Acceptance.

Surfaces to be maintained include, but are not limited to, restored paved surface, surfaces of unpaved trenches, adjacent curbs, sidewalks, gutters, etc. Upon notice from Owner, repair defects in all construction, which develop during specified period at no cost to Owner. Neither final acceptance nor final payment nor any provision in Contract Documents relieves Contractor of above guarantee. Notice of observed defects will be given with reasonable promptness. Failure to repair or to replace defects upon notice entitles Owner to repair or replace same and recover reasonable cost thereof from Contractor and/or his Surety.

Special Conditions Part B-4

L. SITE MAINTENANCE AND CLEAN-UP: Maintain sites of work during construction so as to keep them reasonably neat and free of trash, rubbish, and other debris.

In clean-up operations, remove from sites of work and from public and private property, temporary structures, rubbish, and waste materials. Dispose of excavated materials beyond that needed to bring site to elevations shown.

M. MATERIALS AND EQUIPMENT: Incorporate into work only new materials and equipment following standard submittal review by the engineer. See specifications for requirements. Store these materials and equipment in manner to protect them from damage. Manner of protection subject to specific approval of Engineer. Pipe, fittings, equipment, and other serviceable materials found on site of work, or dismantled because of construction, remain property of Owner. Remove and deliver materials to Owner at designated points. Pay for usable materials that are damaged through negligence at prevailing market price.

N. SUB-SURFACE EXPLORATION: It is not represented that Plans show all existing storm sewer, sanitary sewer, water, gas, telephone, electrical facilities, and other underground structures. Determine location of the installations in way of construction by referring to available records, consulting appropriate municipal department and utility owners, and by making necessary exploration and excavations.

O. DEVIATIONS OCCASIONED BY UTILITY STRUCTURES: Whenever existing utilities not indicated on Plans present obstructions to grade and alignment of pipe, immediately notify Engineer who, without delay, will determine whenever existing improvements are to be relocated, or grade and alignment of pipe changed. Where necessary to move services, poles, guide wires, pipelines, or other obstructions, make arrangements with owners of utilities. Owner will not be liable for damages because of delays due to changes made by owners of privately owned utilities which hinder progress of work.

P. PROTECTION AND REPLACEMENT OF PROPERTY: Where necessary to take down fences, signs, or other obstructions, replace in their original condition and restore damaged property, or make satisfactory restitution, at no cost to Owner.

Q. INTERRUPTION OF UTILITY SERVICES: Operate no valve or other control on existing systems. Exercise care in performing work so as not to interrupt service.

Locate and uncover existing utilities ahead of heavy excavation equipment. At house connections, either lift trenching machine over lines or cut and reconnect with minimum interruption of service as approved.

R. PROTECTIVE MEASURES: Where construction creates hazards to traffic public safety, furnish and maintain suitable barricades, warning signs, and lights. Remove same when no longer necessary.

S. USE OF STREETS:

Special Conditions Part B-5

1. Remove, as soon as practicable, accumulated rubbish and open each block for public use. Use of any portion of street shall not constitute acceptance of any portion of work. Backfill and shape trenches across street intersections or driveways for safe traffic at night, or where permitted, span open trenches with wooden mats or bridges to permit traffic flow. When driveways are cut, immediate placement of mats for ingress or egress of vehicles may be directed if undue hardship to property owner would otherwise result.

2. Except where approved otherwise, do not hinder or inconvenience travel on streets or intersecting alleys for more than two blocks at any one time.

Whenever street is closed, place properly worded sign announcing fact to public, with proper barricades at nearest street corners, on both sides of obstruction. Leave no street or driveway blocked at night.

3. When street is closed, notify all applicable law enforcement and emergency service agencies and local governmental entities.

4. Do not block ditches, inlets, fire hydrants, etc., and where necessary provide temporary drainage.

T. SPECIAL PROVISIONS: Technical specifications are standard forms. In some instances, these standard forms are amended by Special Provisions. In such cases the Special Provisions describe additional requirements applicable for this Contract and are to be used in conjunction with the basic specification item. In event of conflict between any section or sentence of the basic technical specification item and the Special Provision thereto, the requirements of the Special Provision will govern.

U. CONSTRUCTION STAKING: The Engineer shall establish a survey baseline and temporary benchmark elevation on site. All construction staking will be performed by contractor and incidental to construction.

V. WARRANTY PERIOD: Contractor agrees to warranty all work and materials for a period of one (1) year from the date of final completion.

W. WEEKEND WORK: The Contractor may work Saturdays with forty-eight (48) hours prior approval by the City. Any weekend inspection work will be paid for by the Contractor directly without reimbursement.