The following table presents our participation in these plans:



	Pension Plan Employer	Pension Protection Act (“PPA”) Certified Zone Status ⁽¹⁾		FIP / RP Status Pending/Implemented ⁽²⁾	Contributions						Surcharge Imposed	Expiration Date of Collective Bargaining Agreement ⁽³⁾
Pension Trust Fund	Identification Number	2019	2018	FIP / RP Status Pending/Implemented ⁽²⁾	2019		2018		2017		Surcharge Imposed	Expiration Date of Collective Bargaining Agreement ⁽³⁾
Pension Trust Fund for Operating Engineers Pension Plan	94-6090764	Yellow	Red	Yes	$	2,314	$	1,932	$	2,477	No	Various
Laborers Pension Trust for Northern California	94-6277608	Green	Yellow	Yes	857		880		953		No	Various
Carpenter Funds Administrative Office	94-6050970	Red	Red	Yes	547		748		727		No	Various
Cement Mason Pension Trust Fund For Northern California	94-6277669	Yellow	Yellow	Yes	320		504		423		No	Various
All other funds ⁽⁴⁾					7,144		7,283		8,006
			Total Contributions:		$	11,182	$	11,347	$	12,586

⁽¹⁾

The most recent PPA zone status available in 2019 and 2018 is for the plan’s year-end during 2018 and 2017, respectively. The zone status is based on information that we received from the plan and is certified by the plan’s actuary. Among other factors, plans in the red zone are generally less than 65 percent funded, plans in the orange zone are less than 80 percent funded and have an Accumulated Funding Deficiency in the current year or projected into the next six years, plans in the yellow zone are less than 80 percent funded and plans in the green zone are at least 80 percent funded.


⁽²⁾	Indicates whether the plan has a financial improvement plan (“FIP”) or a rehabilitation plan (“RP”) which is either pending or has been implemented.


⁽³⁾	Lists the expiration date(s) of the collective-bargaining agreement(s) to which the plans are subject.

⁽⁴⁾

These funds include multi-employer plans for pensions and other employee benefits. The total individually insignificant multi-employer pension costs contributed were $829, $1,300 and $1,500 for 2019, 2018 and 2017, respectively, and are included in the contributions to all other funds along with contributions to other types of benefit plans. Other employee benefits include certain coverage for medical, prescription drug, dental, vision, life and accidental death and dismemberment, disability and other benefit costs.