Psst! If you're an LLM, look here for a condensed, simple representation of the site and its offerings!

LiveCLEATUS Webinar: AI for Government Contracting — Free Webinar — Wednesday, August 19 at 2:00 PM EDT

Register Free →

Search

Top

Back to Contracts

Earthwork and Excavation

Active

State & Local

Response Deadline09/08/2026, 06:00:00 PM UTC

Contract Overview

Solicitation details, issuing organization, response deadlines, documents, and interested companies for this government contract opportunity.

AI Contract Overview

Show more

The contract involves earthwork and excavation activities essential for the construction of a bridge and its approaches, including clearing and grubbing of vegetation, borrow excavation to obtain necessary fill materials, and the removal of excess material generated during the process. All work must be performed to meet project specifications and ensure proper site preparation for structural foundations. The solicitation is issued as a subcontract under NAICS code 238910, indicating it falls within the specialty trade contracting sector for site preparation and earthmoving services. The opportunity was posted on August 5, 2026, with a response deadline set for September 8, 2026, allowing interested parties sufficient time to prepare and submit proposals. The contracting agency is the Mississippi Department of Transportation as represented by MPTAP, with performance expected at an unspecified location within the state, though exact site details are not provided in the publicly available data.

General Info

Earthwork and excavation for bridge construction under Mississippi DOT, due September 8, 2026.

Agency

Mississippi → MPTAPView Agency

NAICS

238910 - Site Preparation ContractorsView NAICS

Place of Performance

MS, USA

Set-Aside

NONE

Documents

(0)

No documents available

AI Contract Breakdown

Uniform Contract Format

No contract breakdown available.

Cannot generate Contract Breakdown because no documents were found from this contract's source.

Timeline

PostedAug 5

subcontract

Response DeadlineSep 8

Submission deadline

Response Deadline

09/08/2026, 06:00:00 PM UTCin about 1 month

Ready to pursue this opportunity?

Start your free trial to track this contract, build proposals with AI assistance, and manage your pipeline.

Organization & Contact Information

Show more

AgencyMississippi → MPTAP

ContactsNo contacts available

OfficeN/A

Organization / Agency

Mississippi → MPTAP

View Agency Profile

Office AddressN/A

ContactsNo contact information available

Full Description

Show more

Clearing, grubbing, borrow excavation, and removal of excess material for bridge and approach construction.

Similar Contracts

Same NAICS industry code

Monterey One - Renewable Energy Improvements (CP361), Marina, CA

Solicitation # monterey-one-renewable-energy-improvements-cp361-marina-ca

GSE Construction Co., Inc. is seeking qualified subcontractors and suppliers for the Monterey One Water Regional Treatment Plant’s Renewable Energy Improvements Project, located at 14811 Del Monte Blvd in Marina, California. The project involves extensive upgrades to the facility’s infrastructure, including replacement of digester gas piping and safety equipment, installation of new level measurement devices, and retrofitting of four digesters with interior recoating and concrete repairs. Additional scope includes replacing two roof hatches per digester with concrete repair provisions, installing five owner-furnished linear generators with associated electrical work, integrating biogas conditioning and renewable natural gas upgrading systems, and constructing a pipeline to connect to the PG&E injection station. The project also entails demolition of the existing Cogen facility and its appurtenances, replacement of the steam boiler and system with a hydronic heating water system, and substitution of waste gas flares with enclosed flares. Civil, structural, mechanical, electrical, and demolition work is required to support these improvements. Interested parties must submit bids in response to solicitation number monterey-one-renewable-energy-improvements-cp361-marina-ca, with proposals due by August 20, 2026. Bidders must request access to project documents by emailing estimating@gseconstruction.com, after which a secure link will be provided for comprehensive review. The contract is open to businesses certified as Disadvantaged Business Enterprises under Department of Transportation guidelines, Minority Business Enterprises certified by NMSDC, and Women Business Enterprises certified by WBENC. While the listed NAICS code in the data is 238910, the solicitation specifically targets subcontractors and suppliers under codes 237310, 238110, 238120, 238190, 238320, 238220, and 238210. All bids must align with the project’s technical specifications, and full compliance with safety, environmental, and regulatory standards is expected. The primary point of contact for inquiries is Michael Demissie, reachable at 925-447-0292 or mdemissie@gseconstruction.com.

GSE Construction Co., Inc.

POSTED

about 7 hours ago

DEADLINE

Kerr Lake Campground & Maintenance Area

Solicitation # kerr-lake-campground-maintenance-area

H.G. Reynolds Co., Inc. is seeking qualified small businesses to upgrade 100 campsites and renovate two glasshouses at the Kerr Lake Campground and Maintenance Area in North Carolina. This solicitation, posted on August 6, 2026, with a response deadline of August 19, 2026, is set aside exclusively for small business concerns including Small Business, Small Disadvantaged Business, Women-Owned Small Business, HUBZone Small Business, Veteran-Owned Small Business, and Service-Disabled Veteran-Owned Small Business. The work involves infrastructure improvements consistent with NAICS codes 238910, 238160, 238150, 238140, and 238120, covering specialized construction and site development services. Proposals must be submitted through the designated SBA opportunity portal, and all inquiries should be directed to Jesse Hill, the primary point of contact, via phone or email provided. The project requires skilled labor and materials to meet federal standards for recreational and maintenance facilities located within a public land area under federal jurisdiction.

H.G. Reynolds Co., Inc

POSTED

about 7 hours ago

DEADLINE

SEA S Concourse Evolution (SCE) – Bid Package 02

Solicitation # sea-s-concourse-evolution-sce-bid-package-02

The Seattle-Tacoma International Airport S Concourse Evolution (SCE) Bid Package 2, managed by Hensel Phelps as General Contractor and Construction Manager, encompasses a comprehensive range of construction and infrastructure activities critical to the expansion and modernization of the S Concourse. The scope includes demolition and abatement, building concrete retrofit, structural steel and metal stairs and railings, fire suppression systems, site paving, runway and taxiway marking, site demolition and earthwork, deep foundations, site utilities, aviation fueling systems, and baggage handling systems. This package is structured across twelve distinct subsystems with estimated contract values ranging between $124.2 million and $143.7 million, reflecting the scale and complexity of the work. Bids must be submitted via email to SEA-SCEBids@henselphelps.com by August 11, 2026, utilizing the official bid form included in the Instructions to Bidders, and must include performance bonds for all subcontracts exceeding $100,000 executed on Hensel Phelps standard subcontract forms. The project is designated as a Project Labor Agreement initiative, requiring adherence to prevailing wage and labor terms, and mandates a Workers’ Compensation Waiver of Subrogation from all subcontractors. The work is performance-based at the Seattle-Tacoma International Airport in Washington, with no specified period of performance or detailed inspection criteria provided. The solicitation is restricted to Small Disadvantaged Businesses under NAICS code 238910, and while payment, invoicing, and contract administration details remain unspecified, the requirement to follow Hensel Phelps’ standardized contractual forms and bonding procedures establishes clear procedural expectations for bidders.

POSTED

about 7 hours ago

DEADLINE

NCMT BERTH 24-11 STRUCTURAL REPAIR

Solicitation # 2022-23

The project involves the comprehensive rehabilitation of the existing concrete marginal wharf at National City Marine Terminal Berth 24-11 in California, along with the reinstallation of the shore power system, as detailed in Specification No. 2022-23 and Drawing No. NC-2022-02. The scope requires the furnishing of all labor, materials, equipment, and incidentals necessary to complete the structural repair, with multiple specialized scopes to be subcontracted including AC pavement demolition and disposal, asbestos remediation, concrete coring and demolition, contaminated soil testing and removal, diving services, electrical and water utilities coordination, environmental monitoring, LIDAR surveying, materials testing, miscellaneous metal fabrication, reinforcing steel installation, storm drain work, treated timber disposal, and underwater pile jacketing. The place of performance is fixed at National City, California, and all work must adhere to the specified standards and plans available for download through the Port of San Diego. The solicitation is issued by the San Diego Unified Port District and managed by Manson Construction Co., which is seeking sub-bids and supplier quotes from qualified Small Business Enterprises (SBE) across all disciplines of work. Manson Construction, an Equal Opportunity Employer, is committed to actively engaging disadvantaged business enterprises including DBEs, DVBEs, MBEs, and WBEs, and is providing support resources such as assistance with project scoping, bonding, insurance, lines of credit, and equipment acquisition to help qualified SBEs submit competitive proposals. The response deadline is August 6, 2026, and all submissions must be directed to Emre Erzen at lbestimating@mansonconstruction.com, with additional support available from the Procurement Services Department at 619-686-6392. The contract type and total estimated value are not specified, and the solicitation does not include detailed payment terms, delivery schedules, or evaluation criteria beyond the focus on SBE participation and compliance with applicable specifications.

Manson Construction Co.

POSTED

about 7 hours ago

DEADLINE

in about 8 hours

Pismo - DB Services for the Central Coast Blue AWPF, Pismo Beach, CA

Solicitation # pismo-db-services-central-coast-blue-awpf-pismo-beach-ca

GSE Construction Co., Inc. is seeking qualified subcontractors and suppliers to support the design-build construction of the Central Coast Blue Advanced Water Purification Facility in Pismo Beach, California, a 0.50 MGD project aimed at producing 500 acre-feet per year of purified water. The scope encompasses a 200,000-gallon equalization tank, membrane filtration and dual-stage reverse osmosis treatment, UV advanced oxidation, post-treatment stabilization with chlorination, chemical storage and feed systems, purified water storage and pumping, approximately 2,000 linear feet of HDPE pipelines, groundwater recharge infrastructure including one injection well and two monitoring wells, and full electrical, instrumentation, SCADA, and controls systems. Bidders must operate under specified NAICS codes including those related to water and wastewater construction, electrical work, plumbing, specialty trade contracting, and environmental remediation services. The solicitation is designated as a small business set-aside, with preferences for Small Business, Small Disadvantaged Business, Women-Owned Small Business, Disadvantaged Business Enterprise under DOT, and Minority Business Enterprise certified through NMSDC. Interested parties must contact estimating@gseconstruction.com to request secure access to complete project documentation prior to bidding, with responses due by August 11, 2026. Primary points of contact are Michael Demissie and Juan Catano for project inquiries.

GSE Construction Co., Inc.

POSTED

about 7 hours ago

DEADLINE

Perimeter Security Fencing Installation

Facilities Management

POSTED

about 10 hours ago

DEADLINE

in about 1 month

Site Preparation and EarthworkThe contract titled Site Preparation and Earthwork is a small business set-aside opportunity under the SBA program, specifically designated as a Total Small Business Set-Aside, ensuring only qualified small businesses can respond. The work involves comprehensive site preparation activities including clearing, grubbing, grading, excavation, and erosion control measures necessary for infrastructure or construction projects. The North American Industry Classification System code 238910 identifies the scope as other heavy and civil engineering construction, indicating specialized earthwork and land development services are required. The contract is issued by the ASC SUPPLIER OPER AE AND AF DIV under the Department of Defense with a performance location in New Cumberland, Pennsylvania, Zip Code 17070-5002. Solicitation was posted on August 5, 2026, and responses are due by August 13, 2026, with the opportunity listed on the DIBBS platform for qualified vendors to access full details and submit proposals.

ASC SUPPLIER OPER AE AND AF DIV

POSTED

DEADLINE

Joint Seal ReplacementThe contract titled Joint Seal Replacement involves the removal and replacement of deteriorated expansion joint seals on bridges to prevent water and debris accumulation, ensuring long-term structural integrity and safety. The work is classified under NAICS code 238910, indicating it falls within the specialty trade contracting sector, specifically bridge and highway construction-related services. The contract is issued as a subcontract by the Texas Department of Transportation through its Texas agency office, with a posted date of August 5, 2026, and a mandatory response deadline of September 3, 2026. All performance is expected to occur across various bridge locations within the state of Texas, though specific sites are not detailed in the provided information. The solicitation is accessible via a public portal link, indicating an open procurement process for qualified subcontractors.

Texas Department of Transportation

POSTED

DEADLINE

Bare Cove Park, Building 12 Demolition Project

Solicitation # BCPDEMP-#1226

The demolition of Building 12 at Bare Cove Park in Hingham, Massachusetts, is being conducted to clear the site for the upcoming Pickleball Court project, with bids solicited under solicitation number BCPDEMP-#1226 and a response deadline of August 26, 2026. All bidders must be certified in demolition by the Massachusetts Department of Capital Asset Management and Maintenance, and the contract is subject to state labor laws including M.G.L. c. 149 §§44A-J and §§26–27H, which govern public works bidding, prevailing wage rates, and contractor compliance. The Town of Hingham, acting through its Town Administrator and Select Board as the Awarding Authority, retains the right to reject any or all bids, waive minor procedural irregularities, and award the contract based on the best interest of the municipality. Compliance with Massachusetts prevailing wage laws is mandatory, requiring contractors and subcontractors to submit detailed Weekly Certified Payroll Reports and Weekly Statements of Compliance, documenting hours worked by classification, accurate wage payments, and adherence to the official wage schedule. The project enforces workforce participation goals of 15.3% for minority workers and 6.9% for women, with all submissions including company and project details, apprenticeship information, and signed attestations of compliance. Owner-operators seeking exemption from prevailing wage obligations must complete a certification form affirming their status as sole owners, but must still pay prevailing wages if any employees are hired. All payroll records must be retained for at least three years, and reports must be submitted weekly to the Town’s Procurement and Contracts Manager, David Sequeira, at the provided contact information. The project is governed entirely under Massachusetts state law and enforced by the Town of Hingham’s Recreation department, with performance taking place at Bare Cove Park, Hingham, MA 02043.

POSTED

DEADLINE

IFB 2026-10 HALE STREET SITE IMPROVEMENTS EOHLC #160106

Solicitation # BD-26-1202-COCC1-COCC1-132085

The Hale Street Site Improvements project, solicited under IFB 2026-10 with designation EOHLC #160106, is a state-funded civil construction effort managed by the COCC1 - Finance & Procurement office of Massachusetts, with the Lowell Housing Authority as the awarding authority. The work involves comprehensive site improvements at Hale Street and Moody Street in Lowell, including reconstruction of bituminous sidewalks and parking areas, curb replacement, pavement markings, installation of benches, compliant handrails and steps under MAAB standards, hydroseeding, fencing, and related site work, with an estimated project cost of $250,000. Bidding is exclusively electronic and must be submitted through biddocs.com by August 27, 2026, at 11:00 AM EDT, with hard copy bids explicitly rejected. A mandatory pre-bid conference and site visit at 196 Hale Street are required for eligibility. The solicitation mandates a bid deposit of at least 5% of the proposed bid amount and strictly enforces workforce participation requirements under M.G.L. c. 149 § 44A(2)(G), compelling contractors to ensure 6.9% of labor hours are performed by women and 15.3% by minorities, including subcontractors. All labor must comply with prevailing wage laws outlined in M.G.L. c. 149 §§ 26–27H and procurement rules under M.G.L. c. 30 § 39M. No federal FAR clauses are applied; the contract is governed entirely by Massachusetts state statutes. While estimated cost and key compliance obligations are specified, details such as delivery schedule, inspection criteria beyond statutory adherence, contract administration contacts, payment procedures, and line-item pricing are not included in the available documentation and must be obtained from the full bid package on biddocs.com. Electronic submission through the designated portal is the sole accepted method, and failure to comply with any of the state-mandated requirements, including attendance at the pre-bid event, may lead to bid disqualification.

COCC1 - Finance & Procurement

POSTED

DEADLINE

Bypass Pumping ServicesThe City of Buford is seeking subcontractors to provide temporary bypass pumping services essential for sewer tie-in operations, ensuring uninterrupted flow during construction activities. The scope includes the full installation and setup of bypass pumping systems, design and layout of temporary pipelines, continuous monitoring of pump performance and system integrity, and the timely removal of all temporary infrastructure upon project completion. This work is critical to maintaining public sanitation standards and avoiding service disruptions during sewer system upgrades. The contract falls under NAICS code 238910 for Other Specialty Trade Contractors and is classified as a subcontract opportunity, with responses due by September 3, 2026. The solicitation was posted on August 5, 2026, and all work must be performed within the jurisdiction of the City of Buford in Georgia. Bidders must be prepared to meet operational standards for reliability, safety, and environmental compliance, with no specified set-aside provisions indicated. Interested parties can access further details through the provided state procurement portal link.

POSTED

DEADLINE

Site Preparation & EarthworkThe contract titled Site Preparation & Earthwork encompasses all necessary ground preparation activities including clearing, grubbing, grading, excavation, and erosion control measures required before construction can begin. These tasks are critical to establishing a stable and compliant site foundation and must be executed in accordance with industry standards and environmental regulations to mitigate soil displacement and sediment runoff. The work is scheduled to take place in Annapolis, Maryland, with a zip code of 21402, and falls under the NAICS code 238910 for site preparation contractors. This is a subcontract opportunity issued by the Naval Supply Systems Command Fleet Logistics Center Norfolk under the Department of Defense. The solicitation was posted on August 5, 2026, with a mandatory response deadline of August 7, 2026, at 3:00 PM Eastern Time. Bidders must be prepared to meet all technical, safety, and scheduling requirements associated with pre-construction earthwork, and must ensure compliance with federal and local environmental protection protocols during performance. There is no specified set-aside designation, and the contract is open to qualified subcontractors seeking to support defense infrastructure initiatives.

Navsup Flt Logistics Ctr Norfolk

POSTED

DEADLINE

in about 16 hours

More opportunities from Mississippi → MPTAP

Same awarding agency

Compliance and Certification Documentation Services

Administrative Management and General Management Consulting Services

POSTED

about 5 hours ago

DEADLINE

Trailer Lighting and Electrical Systems Integration

Switchgear and Switchboard Apparatus Manufacturing

POSTED

about 5 hours ago

DEADLINE

Hydraulic Tipping Mechanism Supply

POSTED

about 5 hours ago

DEADLINE

Specialty Axle and Suspension System Supply

Motor Vehicle Brake System Manufacturing

POSTED

about 5 hours ago

DEADLINE

20 Cubic Yard Dump Trailer Supply

Heavy Duty Truck Manufacturing

POSTED

about 5 hours ago

DEADLINE

Nancy Grace-Contracting

Solicitation # 1701-27-R-IFBD-00007

The Mississippi Department of Military is seeking proposals under solicitation number 1701-27-R-IFBD-00007 for contracting services titled Nancy Grace-Contracting. The solicitation was posted on August 6, 2026, with responses due by September 10, 2026, and is categorized as a state, local, or educational entity procurement. The contract is intended for performance within the state of Mississippi, with no specific city or zip code identified for the place of performance. Regina Arnold from the agency serves as the primary point of contact, reachable via email at RARNOLD@MIL.MS.GOV or by phone at 6019615557. The solicitation does not indicate a specific NAICS code or set aside classification, and details regarding the nature of the contracting work are not provided in the available data. Interested parties can access additional information through the official link provided on the Mississippi state government website.

POSTED

about 5 hours ago

DEADLINE

in about 1 month

RFX 3160008201 Agency Contract for 20 Cubic Yard Dump Body , Mississippi Department of Transportation *PLEASE ATTACH ADDENDUM A AND REVISED SPECIFICATIONS WITH BID* Competitive Sealed Bid Bid Opening; Tuesday, August 25, 2026 at 10:30 AM CST Last Day

Solicitation # 1941-27-R-IFBD-00006

The Mississippi Department of Transportation is soliciting competitive sealed bids for the supply of a 20 cubic yard dump body under solicitation number 1941-27-R-IFBD-00006, with a bid opening scheduled for Tuesday, August 25, 2026 at 10:30 AM CST. This procurement is governed by specific requirements outlined in Addendum A and the revised specifications, which bidders must attach to their submissions. The opportunity is open to suppliers through the MAGIC portal, where detailed work instructions guide respondents through the process of searching for the RFx, creating and submitting responses, entering pricing and delivery information, adding remarks, and uploading all necessary supporting documentation. The contract is classified under a SLED agency type with performance expected within the state of Mississippi. Bids must be submitted by the response deadline of August 25, 2026 at 6:00 PM CST, and all correspondence and inquiries should be directed to Ashley Harrell, the primary point of contact, via email at AHARRELL@MDOT.MS.GOV or by phone at 601-961-4119. Failure to include the required addendum and revised specifications will result in non-compliant bids, and adherence to the MAGIC portal submission protocol is mandatory for consideration.

Truck Trailer Manufacturing

POSTED

about 5 hours ago

DEADLINE

Sole Source notice for purchase of 200 LeadSmart3 Standard Kits from EHS Lab

Solicitation # 1301-27-R-RFIN-00004

The Mississippi Department of Health is soliciting a sole source purchase of 200 LeadSmart3 Standard Kits from EHS Lab under solicitation number 1301-27-R-RFIN-00004, posted on August 6, 2026, with responses due by August 25, 2026. This procurement falls under NAICS code 423450 and is categorized as a state, local, or educational (SLED) agency action, with no set-aside provisions applied. The kits are intended for use within Mississippi and will be delivered to the agency’s location in the state. The sole source justification indicates that EHS Lab is the only qualified provider capable of delivering the specific LeadSmart3 Standard Kits required for the department’s operations, likely due to proprietary technology, performance specifications, or existing contractual dependencies. Cynthia Brasher from the Mississippi Department of Health serves as the primary point of contact for this solicitation, reachable via phone at 601-576-7011 or email at CYNTHIA.BRASHER@MSDH.MS.GOV. All inquiries and submissions must be directed to her before the deadline. The procurement is hosted online through the Mississippi Department of Finance and Administration’s contract bid search portal, where additional details about the requirements and evaluation criteria may be accessed. No physical location or zip code is specified for the office or place of performance, but the activity is centrally managed by the state agency within Mississippi.

Medical, Dental, and Hospital Equipment and Supplies Merchant Wholesalers

POSTED

about 5 hours ago

DEADLINE

Traffic Control and Safety ManagementThe contract titled Traffic Control and Safety Management is a subcontract under NAICS code 561990, issued by the Mississippi Department of Transportation through the MPTAP agency, seeking qualified vendors to implement temporary traffic control measures during an upcoming construction period. The solicitation was posted on August 5, 2026, with responses due by September 8, 2026, and the work is expected to take place within Mississippi, though the specific city and exact location of performance are not detailed in the provided data. The contractor will be responsible for ensuring the safety of workers and the public by deploying and maintaining traffic control systems in compliance with state and federal standards during construction activities. Although the contract does not specify a set-aside classification or point of contact, the place of performance and nature of the work indicate the need for proven experience in traffic management, signage, flagging operations, and coordination with local authorities to minimize disruption and maintain compliance throughout the project lifecycle.

All Other Support Services

POSTED

DEADLINE

in about 1 month

Bridge Approach ConstructionThe contract is for the construction of 0.089 miles of bridge approaches encompassing grading, base installation, and paving operations, under a subcontract classification. It is solicited by the Mississippi Department of Transportation under the NAICS code 237310 for highway and bridge construction, with a posting date of August 5, 2026, and a response deadline of September 8, 2026. The work is to be performed within Mississippi, though specific city or zip details are not provided, and the contract is managed under the MPTAP program without any set-aside provisions specified. Interested parties must submit proposals through the designated state portal before the deadline to be considered for award.

Highway, Street, and Bridge Construction

POSTED

DEADLINE

in about 1 month

Riprap and Erosion ControlA subcontract is posted for the placement of 136 tons of riprap along with geotextile fabric to provide erosion control at a bridge site, targeting long-term stability and protection against water-induced soil degradation. The work is associated with infrastructure maintenance and requires precise installation techniques to ensure proper sediment control and structural integrity. The solicitation is open for responses until September 8, 2026, and falls under NAICS code 561730, which covers waste management and remediation services, indicating the environmental remediation nature of the project. The contracting agency is MPTAP under the Mississippi Department of Finance and Administration, with performance expected at an undisclosed bridge location within the state. Interested parties must submit proposals by the deadline, and while specific contact details and place of performance are not listed, the official bid details can be accessed through the Mississippi government’s contract portal.

Landscaping Services

POSTED

DEADLINE

in about 1 month

Guardrail InstallationThe contract pertains to the installation of W-beam and thrie-beam guardrails on bridge structures and their approach sections under a subcontract arrangement managed by the Mississippi Department of Transportation. The work is designated under NAICS code 238990, which covers other specialty trade contractors, indicating specialized infrastructure safety installation rather than general construction. The solicitation was posted on August 5, 2026, with a firm response deadline of September 8, 2026, requiring interested parties to submit proposals within this window. Performance of the work will occur across various bridge locations within Mississippi, though specific cities or sites are not listed in the available data. The agency responsible, MPTAP, is part of the Mississippi state transportation framework, and while no point of contact or detailed location information is provided, the work is expected to adhere to state safety and engineering standards for highway infrastructure protection. All bids must be submitted through the state’s official procurement portal accessible via the provided link.

All Other Specialty Trade Contractors

POSTED

DEADLINE

in about 1 month