All contracts for furnishing supplies, materials, labor, or other valuable consideration furnished the district, for maintenance projects involving contractor services to preserve, maintain, or repair any existing building, structure, or improvement, or for constructing any new building, structure, or improvement, when the expenditures will exceed the applicable amount specified in Section 5549, shall be let to the lowest responsible bidder, after notice inviting bids, published in a newspaper in the district at least one week before the time of receiving bids. The board of directors may reject all bids and readvertise, or by a five-sevenths vote may elect
to purchase the materials or supplies in the open market, or to construct the building, structure, or improvement by force account.
5500
5501
5502
5503
5504
5505
5506
5506.3
5506.4
5506.5
5506.6
5506.7
5506.8
5506.9
5506.10
5506.11
5506.12
5507
5508
5509
5510
5511
5512
5512.5
5513
5514
5515
5516
5517
5517.1
5517.2
5517.3
5517.4
5518
5519
5520
5521
5522
5523
5524
5525
5526
5526.1
5527
5527.1
5528
5529
5530
5531
5532
5533
5533.5
5533.7
5534
5534.5
5535
5536
5536.5
5537
5538
5538.3
5538.4
5538.5
5538.7
5538.8
5538.9
5538.10
5539
5539.3
5539.4
5539.5
5539.7
5539.8
5539.9
5539.10
5540
5540.1
5540.5
5540.6
5541
5541.1
5541.2
5541.3
5542
5542.5
5543
5544
5544.1
5544.2
5544.3
5545
5545.1
5545.3
5545.5
5545.6
5546
5547
5548
5549
5550
5551
5552
5552.1
5553
5553.5
5555
5556
5557
5557.1
5557.2
5558
5558.1
5559
5560
5560.1
5560.5
5560.6
5560.7
5560.8
5561
5561.5
5561.6
5562
5563
5563.5
5563.7
5564
5565
5565.5
5566
5567
5568
5569
5570
5571
5572
5572.1
5590
5591
5593
5594
5595
5501
5502
5503
5504
5505
5506
5506.3
5506.4
5506.5
5506.6
5506.7
5506.8
5506.9
5506.10
5506.11
5506.12
5507
5508
5509
5510
5511
5512
5512.5
5513
5514
5515
5516
5517
5517.1
5517.2
5517.3
5517.4
5518
5519
5520
5521
5522
5523
5524
5525
5526
5526.1
5527
5527.1
5528
5529
5530
5531
5532
5533
5533.5
5533.7
5534
5534.5
5535
5536
5536.5
5537
5538
5538.3
5538.4
5538.5
5538.7
5538.8
5538.9
5538.10
5539
5539.3
5539.4
5539.5
5539.7
5539.8
5539.9
5539.10
5540
5540.1
5540.5
5540.6
5541
5541.1
5541.2
5541.3
5542
5542.5
5543
5544
5544.1
5544.2
5544.3
5545
5545.1
5545.3
5545.5
5545.6
5546
5547
5548
5549
5550
5551
5552
5552.1
5553
5553.5
5555
5556
5557
5557.1
5557.2
5558
5558.1
5559
5560
5560.1
5560.5
5560.6
5560.7
5560.8
5561
5561.5
5561.6
5562
5563
5563.5
5563.7
5564
5565
5565.5
5566
5567
5568
5569
5570
5571
5572
5572.1
5590
5591
5593
5594
5595